Fit Theorem Northglenn

Negative experience: Had a terrible experience. Will not be coming back!

Fantastic experience: I really enjoy the classes here! The energy is always there no matter who is teaching and the classes are always a little different which I very much appreciate. It's easy to ask questions and to really work up a sweat! I wouldn't go anywhere else 10/10.

Negative experience: This place is very unprofessional and they don't even care if your throwing punches the right way or not I have seen a bunch of people that don't know what they are doing and the coaches don't even stop to show them the right way. I have canceled my membership a couple months ago and they are still trying to Bill my card so at this point it's fraud. I even tried the mma class and they don't care if people are learning or not they just automatically send you to the next level lol what a joke. Stop billing my card I'm not a member anymore

Fantastic experience: I’ve been a member at a few different kickboxing gyms over the years. I love Peak Northglenn, plus the access it gives me to the other Peak locations! The instructors at Northglenn are great and keep the classes high energy, and a great workout. The gym itself is always super clean.

Fantastic experience: Great environment…intense work outs.

Fantastic experience: I’m a person that has been dealing with anxiety and a very deep depression for the last 3 years. My weight went from 150lbs. to 97 lbs. in 4 months. Not gaining weight made it worse. I would cry a lot because I got to the point where I had to use kids clothing. Dr. gave me some pills to gain weight, but the most I gained was from 97lbs. to 111lbs. That wasn’t enough for me. One day I saw a post about this place Peak Kickboxing and said to myself “I’m gonna try it, and I did. At first I was lost and said to myself “what am I doing here”, but I got a spot at the very back and I was embarrassed to just step out. The coach notice and came to me and was so nice that I decided to take the classes. I felt so good, I could breath better, it made me want to continue doing something for me again. My anxiety was less each day I took a class. I started sleeping way better (no more sleeping pill, sometimes I would take 5 and still awake). I would talk to everyone about how good I was feeling that sometimes I would take double classes same day. I even took 2 more people to try it and they loved it too. I now weight 128lbs. and feel so good. I’m moving out of state and I feel so sad and I even cried because they really helped me. Everyone took their time to explain and show me how to workout. I just turned 50 on May and feel so good that it also motivated me to start running on my free time..I’m really going to miss every one of them. Thank you, you’re the best. You all coaches make a great team. You treat everyone with respect, but most of all you make feel like family. Thanks and God bless you always.

Fantastic experience: Great kickboxing experience! Friendly trainers coach you through a fun workout and it’s done before you know it! Highly recommend to anyone looking to build a fitness community!

Fantastic experience: Love this place! Best classes eveeeeer! Great workout

Fantastic experience: I had been searching for a new kickboxing gym for SO LONG. Finally saw this one when I was nearby having breakfast one day and decided to check it out. I love it! I am the type that likes to just come in, do my workout, and leave. I’ve been to places that try to force you to stay and chat and meet other people, which I hated. The staff here respects everyone’s preferences, and is super friendly while not being pushy like other places. It’s also awesome to go kick and punch things when you’ve having a bad day. Highly recommend!

Fantastic experience: Clean studio, great staff, positive atmosphere, and the best work out! Coach Aaron is my favorite, he really knows his craft and I like that he teaches more than just a workout, he is actually teaching self-defense skills which is much appreciated.

Fantastic experience: Six weeks in to my experience with Peak Kickboxing Northglenn and I'm ADDICTED. The coaches are extremely helpful, warm, and inviting. The community you build at Peak is unbeatable. I'm burning upwards of 500 calories a workout and seeing incredible results already.

Fantastic experience: hello peeps, I am from OH. I move to CO back in Nov for work. I was scrolling through facebook, saw an advertisement about Peak kickboxing wanting people to sign up, so I entered my information they gave me a date to come in & view the place. The day of my appt, I was reluctant on going in, but I kept the appt anyway. Never having any kickboxing training in my life, wasn’t sure what I was getting myself into. I decided to join that day November 30 and I haven’t look back since. This is the first gym I have belong to that I actually kept going, so I’m very proud of myself. The ladies there, Raven, Averi, Marena & Carly are all amazing women they’re very energetic keep you on your toes definitely makes coming to class fun, makes you wanna come in & do your very best. I would highly recommend Peak , I am very sad that my work is relocating me to TX

Fantastic experience: Very motivating! Lots of personal attention from the coaches. Marina in the mornings has SO much energy!!

Fantastic experience: I've never been a "workout" person but attended a class through work and signed up that day. I attended my first official class the next morning and never look back. I've been a member for about a year and a half and I look forward to going. I've lost over 40lbs and have become stronger each day. The coaches are all great and the community is amazing. The support I get is awesome. I have now stepped into the fitness world and I'm never going back!

Positive experience: I went in for a free sample class and really did like it. Was told that since I did the sample class I would get 1 month free and if I signed up I would only pay the enrollment fee of 49$ for that free month then month to month is 179$, I couldn't make it to the classes as much as I wanted to with a full time job and their timing on the weekends is only 730am and 830am. If you can afford it, this facility is very nice and wide open with plenty of bags and a fun inviting routine that even beginners can have fun with!

Fantastic experience: I’ve been going here for a little over a month, and so far it’s been great. The staff is super friendly, they make sure to include everyone regardless of experience. I also like that I can go every day and that I can get my money’s worth unlike other gyms I’ve tried out in the area. Everyone is improving at their own pace, but personally I’ve noticed a big change as far as what I’m able to do skill wise and how my stamina has been steadily going up. It’s a great environment to be in and everyone is always very kind and in good spirits. I highly recommend this place.

Fantastic experience: I love going here for my workouts all the coaches are super friendly and always willing to help. I have went to evening classes and early morning classes with numerous of different coaches and every time I enjoy myself have a great workout.i was stuck with the same old gym routine but since I’ve been coming here i have found my self enjoying my workout so much more at this point i will continue with this place for a long time highly recommend if you’re looking for a challenging but rewarding workout

Negative experience: This place is very secretive about their pricing and will not tell you anything unless you agree to go in. Yet they are EXTREMELY aggressive in sending multiple text message offers a day, without any pricing info of course. If you hound me with 8 text messages the day I fill in my contact info to get some basic pricing intel, yet can’t tell me your pricing upfront, I’m going to conclude that it’s a.) overpriced and you’re trying to deceive me into signing up for something that I cannot afford and b.) not the kind of place I want to workout.

Fantastic experience: Took a month of the free trial with these people! Really good classes and very friendly staff! Highly recommend

Fantastic experience: This is my favorite escape from a busy life. The coaches are fantastic and I really enjoy the different styles that are introduced to us.

Fantastic experience: Love coming here, definitely get a workout big time. Really like that you can book a class via their app and see how many others have too. Instructors are very encouraging.

Fantastic experience: I use kickboxing as a means of trauma therapy and every coach at this gym has been an amazing support system. Huge shout out to Aaron Lopez aka Savage Lopez!! I love how he teaches a variety of fighting styles and incorporates breathing and grounding techniques. Thank you for showing us how strong and capable our bodies are

Fantastic experience: This place is awesome!! Not only do you get a great workout but the coaches are awesome especially Aaron! His classes are so fun and creative and keep you moving for 50 minutes straight! He is also amazing at helping you learn and understand the moves and strategies behind the combos!! If you want a great atmosphere, hard workout and motivating coaches, come throw a punch or two at Peak!!

Negative experience: Do not text them. They will continue to text you when you say stop

Fantastic experience: I wanted something more exciting than just the same routines at the gym. I've been a member at Peak for about 8 months now and I am so glad I joined. Since day one the trainers have helped me to modify my workouts with consideration to a leg injury and random aches and pains in between. Trainers are motivational and make class enjoyable while also challenging. I'm excited to continue my journey at Peak!

Negative experience: Would have loved to try this place out but front desk was rude and wouldn’t answer my questions before my “ tour “ appointment. Simple basic questions like , is it just a sit down or an actual class? Do I need to bring anything particular? Should I expect to be participating in a class?… the lady who answered the phone wouldn’t tell me about the membership or pricing either. All she kept saying was that she couldn’t answer any of my questions and to have a good day. When I tried to tell her to cancel my appointment since I couldn’t get any information, she just hung up on me. I was super confused since I kept getting messages that said to call if I had any questions….. but oh well. 100-% would suggest a more proactive professional for the front desk.

Fantastic experience: The coaches and staff are great. I’ve been going for about 6 months, I’m down 25 lbs.

Fantastic experience: Highly recommend! Instructors are welcoming, knowledgeable and very helpful (I am a beginner)! Workouts are high intensity and a ton of FUN!

Fantastic experience: Love this place! I've been a member for 3 years and have never wanted to go anywhere else! The coaches are amazing and the community is fun and supportive!

Fantastic experience: I love my workouts here! The instructors are great! Highly recommend!

Fantastic experience: Anyone who insists that working out must be a miserable slog that feels bad to do and takes up all of your time is LYING TO YOU. Peak Kickboxing is consistently the most fun I've ever had exercising in my life. My cardio has improved, my core strength has improved, and I feel like a total badass every time I workout. Look, I won't lie to you: this is more expensive than a traditional gym membership. But I've wasted hundreds, probably thousands, of dollars in my life at gyms that I never went to because I never enjoyed it. Versus here, where I'd happily come more than my usual 3 times a week if my schedule allowed for it. Seriously, 5/5 stars, you should absolutely come try it out.

Fantastic experience: Just went to my 3rd class, this is such an awesome and fun workout! I'm a beginner, the instructors do a great job meeting each person where they're at. Great community feel. I really wish Peak offered a few stretch/recovery classes with the membership. However, still highly recommend.

Fantastic experience: I found Peak Kickboxing through google and I am so happy I decided to give it a try. Every class I have been to has been amazing, the coaches and staffs are super cool as well. I love going there in the evenings and every class has had me sweating like crazy!

Fantastic experience: I started a couple of months ago and from the first class I have been encouraged and motivated to become a better me! I started with the challenge that kick started my health goals and helped me assess my eating habits and where I needed to go to get where I want to be. I had no hesitation in committing and becoming a member and my life has set into a routine I’m excited about mentally and physically!!

Fantastic experience: I love Peak! It’s been my “third place” for a while. They offer a positive community, the classes are challenging and fun, and I always leave sweaty and with a smile.

Fantastic experience: I love this place! People there are very friendly and upbeat. Instructors are knowledgeable, patient and outgoing. Within just a week I have felt better about myself and have had more energy. I highly recommend this place to anyone!

Fantastic experience: Love the work out nice chill environment with a lot a cool people

Fantastic experience: I couldn't find an exercise I enjoyed, so I just didn't exercise until my neighbor invited me to Peak and I fell in love! The trainers are so patient and kind, and the other kickboxers are so welcoming. I feel so much better after a class and look forward to my next one. Give Peak Kickboxing a try and fall in love too!

Fantastic experience: I had never tried Kickboxing before, and since I met the trainers at Peak, I have loved them with my heart. Rayven, Biggs, Sarah, Johanna, and Averi are the best; if you are a woman looking for a place to feel encouraged and get your body working, this is the place. Also, the vibes and all the ladies with whom I have trained as my partners are the best. Thanks, Peak Team you are amazing.

Fantastic experience: I started going here about 5 years ago, and have loved it every time I go. The workouts are fun and challenging and the coaches are really helpful. Anyone from 10-80 years old can do this and you can modify as you want to match your needs. The community and support is the best I’ve ever had and I truly look forward to every session. I also lost almost 40 lbs in about 10 weeks thanks to their program and encouragement. Highly recommend Peak Kickboxing to anyone wanting to get in shape, learn new stuff, or even just continue on their fitness journey.

Fantastic experience: This is the best way to get into to shape and be strong. My money is well spent here with workouts always changing and pushing. Also the trainers are always encouraging especially Sara. I highly recommend it. I love it!!

Fantastic experience: Northglenn's got a great variety of coaches and instructors whether you're just starting out as a beginner or wanting to learn more advanced techniques and footwork. It's a friendly, energetic, hard working, and welcoming environment. You get out what you put in.

Fantastic experience: Amazing kickboxing gym! I have been a member for over 3 years and am excited about the new ownership. They are bringing in class changes and new moves and challenges but holding on to my favorite 5:15 morning class. The coaches are amazing and motivating and I love the fit family atmosphere.

Fantastic experience: I love this place. I am being challenged physically and mentally. I like the fun atmosphere The imstructors help me with learning form and show me modifications.I'm 56 yo and encourage anyone to try it

Fantastic experience: Clean studio, lots of space, great staff! Super knowledgeable about form especially since some of the instructors also compete/instruct Olympic teams. Hope they'll bring some of the beginning MMA/BJJ/Muay Thai classes to this location! I ❤️ the kickboxing but I would also like to learn how to protect and defend myself as well at this location instead of having to go all the way down to the Lakewood location.

Fantastic experience: I decided to try kick boxing for the first time in effort to get back into a better fitness routine and try to lose some weight . I am currently in my third week of the 6 week fitness challenge. I really enjoy the classes with Sarah. She keeps us moving for the entire class which is great!

Fantastic experience: Welcoming vibes the minute you step through the door as well as great compassion towards the whole team

Positive experience: I just signed up for the 6 week challenge and I hope to get good results. I received very good service and a comprehensive explanation of how we will be moving forward. I look forward to my sessions.

Fantastic experience: Great team! Went in with an open mind and had a great conversation what I wanted to get out of kickboxing. Team was very transparent and honest! Excited to start this new journey. Sometimes in life you just need to jump

Fantastic experience: I was looking to drop some weight to help with some health issues. I signed up to do one of the 6 week challenges to jump start my journey. I planned on finding a gym closer to home after the challenge, however, I love it SO much I stayed. The classes are so fun and effective. The coaches and members are so welcoming and the atmosphere is always uplifting and positive! Instead of being bummed out to go to the gym, I’m actually bummed out when I don’t get to go. Oh and in a year I’ve lost 25 lbs. so that’s cool too!

Fantastic experience: Everyone is so nice here. The staff takes the time to learn your name and engage with you. The Classes are fun, great for all fitness levels. This is the best cardio because you don’t realize you’re working out. Don’t be intimidated, come join our family! Come challenge you’re self !

Fantastic experience: I love going to Fit Theorem where they are always building a community with very difficult monthly and weekly challenges so I can strive to be the best person that I can be. The coaches know me on a first name basis and are always encouraging me with positive affirmation and improving my kickboxing technique every step of the way. Grateful I have found a gym where I can call home.

Fantastic experience: Made getting fit fun. When I signed up for the challenge I had NOOO IDEA WHAT I was getting myself into, I had started eating cleaner in 2023 but this challenge made me buckle down and shop smart to make sure I was eating what I needed to to reach my goal. The classes were full of sweat and laughter, and great music that almost makes you forget you working out and not out having fun at the club. I was lucky enough to participate in Fittherame the last week of my challenge and Monday Music Day was the best day ever. Couch Ravyen, V, Monica, Sarah, and Kelly are great and a lot of fun as well. I'm excited to continue kicking butt with FitTheorem! Clean eating is my go-to now, waking up at 5 am to get the early morning class taken care of makes the day feel so great!

Fantastic experience: I just finish my 6 week challenge and with the support of everyone in the Fit Family I was able to lose 10.9lbs and 5.4% body fat. Thank you everyone for your continued support and pushing me to be the best me possible.

Fantastic experience: I have a membership at FitTheorem Northglenn location, I will have to say that this gym has been Outstanding! The most friendliest people I have ever met in a whole! Everyone makes me feel so welcome and uplifting as well! I will refer other’s to join and 100% recommend FitTheorem to Everyone! Also, join the challenges! So Much Funnnn!!!!

Fantastic experience: I recently finished my six week challenge, and I could not have had a better experience! The coaches and members here are amazing and so supportive of everyone who joins, they truly want to see everyone shine in their physical health as well as life. I have tried everything on the planet to lose weight before, and nothing has worked as well as joining the wonderful community and classes as this gym. In the six week challenge alone, I have lost four pants sizes, and it’s not going to stop there! I look forward to waking up and going to class every time!

Fantastic experience: Fitt Theorem is the best! The classes are fun and challenging. The coaches and other members are so supportive. Ihave grown so much physically and mentally from my time so far as a member.

Fantastic experience: Joining ILKB is the best decision I have made! It provides me with a full body workout in an hour. The staff is phenomenal and non-judgmental. Members are all different sizes and fitness levels.

Fantastic experience: I love this place. The coaches are great and have challenged me to continue towards my weightloss goals. I am the kind of person that needs to be held accountable, but also needs someone to guide me in the right direction. I always recomend Fit Theorem to all my friends because they have seen how much I love it and the progress I have made towards my weight loss goals. This is also a great place to start for beginners.

Fantastic experience: I recently completed a 6-week fitness challenge, and I have to say, I am incredibly impressed with the results! From start to finish, the challenge was well-organized, motivating, and challenging, but not overwhelming. The workouts themselves were intense, but the instructors were always supportive and encouraging. They helped me push past my limits and achieve things I never thought possible. One of the things I loved most about the challenge was the community. I got to meet some amazing people who were all on the same journey as me, and we supported each other every step of the way. The online forums and accountability groups were especially helpful, as they kept me motivated and accountable. Even though I did not meet my goal, I would highly recommend this 6-week fitness challenge to anyone looking to improve their fitness and push themselves to the next level. I feel stronger, healthier, and more confident than before. Thank you to Fit Theorem Northglenn for such a fantastic program!

Fantastic experience: I just completed my 6 week challenge and all I can say is positive things about this journey! I went from doing 0 exercise to waking up at 5:00AM every other day to go to kickboxing classes and found out that was actually my favorite time to workout. Classes are fun and time goes so fast, staff and members are very supportive and nice, I really liked how organized and structured the challenge is. I had a meal plan and amazing coaches to guide me through. I changed physically and mentally, I noticed how energized, confident, motivated and stronger I’ve become with the classes, and I really thank coach Sara for being so patient and so nice with me, also my coaches for pushing me and show me that I’m capable of doing this even though I was doubting myself. I trust them 100% and definitely recommend to everyone to join this awesome experience!

Fantastic experience: I was recommended to try out Fit Theorem by a good friend who’s been a part of the gym for a few years. I finally joined in on their 6 week body transformation challenge and it’s been an awesome experience! I love the class setting; the coaches are amazing, so encouraging and really take the time to get to know everyone. The community is so inviting and supportive of one another. My goal was to build up my fitness endurance, lean up and feel good in my body again. I definitely exceeded those goals! After the 6 weeks, I lost 14lbs and 9% body fat!!! I am so proud of myself, it’s an amazing experience and I couldn’t have done it without the support of everyone and Fit Theorem!

Fantastic experience: I’ve never been a part of a gym before so this was all new to me, but it’s been amazing! I did the 6 week challenge in April because I needed a drastic change and accountability. I ended up losing 7% body fat and then signed up for a membership. I have been going consistently for almost 8 months and don’t plan on stopping. The coaches are amazing, the workouts are challenging, and everyone I’ve met is really nice. I would recommend this place to anyone!

Fantastic experience: Love the support of the coaches and the time on the mat…just completed my second 6-week challenge setting higher standards for myself, attaining the goals set and setting new ones is easier when you have a support team like the one at FitTheorem Northglenn!

Fantastic experience: I just finished the 6 week challenge and fell in love with the gym. The coaches are very supportive and keep you in check- they push me when I was doubting myself. I mentioned to my coach Jenn that I struggled with the shakes. She offered suggestions and kept checking in on me. It was one of the biggest challenges I ever tackled but I am proud to say that I will be eating healthier thanks to the meal plan that was provided. I am definitely making kickboxing a part of my new lifestyle. Thank you.

Fantastic experience: I'm new here but I feel like I've known everyone for a long time already. Staff is awesome, and all the kick boxers I've met so far are amazing! Place has great vibes and I'm looking forward to completing my challenge that I've taken on here!

Fantastic experience: There are so many reasons to give this place a try! I started with a 6 week challenge, and that it was! At first I as hesitant about the nutrition part, mostly due to personal issues, but I gave it a shot and stuck with it. When paired with the minimum of 3 classes a week, I was grateful for what I initially thought were extra calories lol. Over the course of the month and a half I started receiving compliments from close family and friends, then I started seeing them myself!! HIGHLY recommend for anyone and everyone trying to smash some fitness goals. One of the best workouts I've had and I'm hooked! Fun atmosphere and the staff...there are no words how much I appreciate their motivation! Everyone is phenomenal to work with any day! Thank you all for the inspiration!

Fantastic experience: I joined the 6 week challenge and enjoyed every step of the way. I love the fact that I got a nutrition plan and accountability coach along with an amazing work out experience. I got stronger and really liked the setup for kickboxing classes. I lost 6.5% body fat and feel so confident. The coaches are super friendly and helpful. I’m so happy that I took the opportunity to learn a new skill, meet wonderful people and I got closer to my fitness goals. I recommend 100%

Fantastic experience: Just completed my 6 week challenge and I crushed my goals thanks to the help of the coaches, meal plan, and amazing fit family that supports and helps with accountability! If you are looking to get or keep your health and fitness on track, or have big goals to lose weight, lose fat, gain muscle, or improve your overall nutrition, this is the place and the program! You will not regret it!

Fantastic experience: The coaches and attendees made me feel welcomed all throughout my six week challenge. The instructions were clear and everyone was always super patient and helpful when you needed that extra push. Accountability is obviously an important factor when you want to get those results you want and everyone is happy to help keep you accountable. They celebrate every accomplishment no matter how big or small. They also check in regularly to make sure you're on the right path towards the results you want.

Fantastic experience: Initially came for the six week challenge but stayed because of the awesome workout and staff! Used to be an avid runner, but I prefer this cardio workout now. So much fun!

Fantastic experience: There are just not enough great things to say about FitThereom and their 6 week challenge. Bottom line - IT WORKS! If you follow the nutrition plan and do the workouts you will see results. I was in a rut, a bad COVID rut. I am a nurse and the pandemic was really hard, there was no relief. Work was terrible and add in the isolation and I was feeling down. My other gym closed and I found myself slowly losing motivation to stay health focused at home. Slowly I gained almost 30 pounds! I was drinking more alcohol than ever and literally eating everything and anything I wanted. I knew it was happening but just lost focus. Walking in for my orientation it was an instant feeling of NEEDING to do this challenge. I felt automatic motivation. The sounds of the bags being kicked and punched was awesome. I saw a community of support that I knew I needed join. I was welcomed every class. The workouts are challenging and heart pumping - they make you feel powerful and strong. The coaching was awesome; professional, individualized and safety focused. The accountability coaching was also key - frequent check ins to make sure you’re following the plan outside the gym. Your accountability coach is readily available to guide, assist and answer any questions. I have my final weight in tomorrow/photos tomorrow and I am so very pleased with the past 6 weeks. I know from my home scale I lost 19 lbs in 6 weeks and that is fantastic! Regardless, this is the place for me - these are my people!!! Photos to follow!!!!

Fantastic experience: The team at Fit Thereom should be given a humanitarian award for the dedication, support, and motivation they give their members. When I joined in June of 2021, I had no idea how intense, fun, and rewarding kickboxing would be. Coach Hannah signed me up and in July entered me into the Gym’s 6-week weight loss challenge. I had no idea, but the following six weeks were the most life changing as I learned about portion control, balancing healthy foods, and work outs into my life. I not only shed 17lbs and 5% body fat, I grew in confidence, muscle strength and determination. Prior to joining FT, I blindly followed fad diets, worked out hard but didn’t see the results I needed to to motivate me beyond a 6 month membership. At FT I feel like I have personal support on tap; both in motivation, nutritional education and inspiration. I would recommend this gym and all it’s Coaches a 1,000 times over!

Fantastic experience: I love this place! I never thought I was going to stay after finishing up the 6 week challenge! Not because I didn't like it, but because I didn't like to excersice at all. I signed up for a one year membership, I just love the results and the way I feel with myself. The coaches are wonderful, professional, friendly, understanding and help you throughout the workouts. I do recommend this place 100%! Thank you all for all the support, keep up the great job your doing with everyone that needs that push!

Fantastic experience: I absolutely Love, Love, Love this gym. I went from never exercising to join their 6 week challenge. During that challenge I gained so many new skills and more confidence. I lost the body fat that I wanted to lose and I fell in love with Kickboxing. I think the way they structure the classes are amazing. One of the reasons I hated exercise before was that I got bored very easily. I have never ever gotten bored at Fit Thereom. The coaches are amazing. They all know their sport and are super encouraging. You work out at your own speed and yet they always challenge you to do better. They also have the option of doing the classes online or in person. I love it so much I’ve even brought my friends here to check it out.

Fantastic experience: FIT Theorem is a blast! I did a 6 week challenge with them, and the results dont lie. It was a huge mental and physical transformation for me. The people are great, its a fun environment, and more importantly its a huge stress reliever! Definitely recommend!

Fantastic experience: I cannot say enough amazing things about Fit Theorem. The coaches are amazing, the studio is fun, the members are terrific. I have never felt comfortable in a "fitness" atmosphere before and I have from the moment I walked in the door here. This program works and I HIGHLY recommend this to anyone at any fitness level - they have truly changed my life :)

Fantastic experience: The Six Week Challenge at Fit Theorem Northglenn was the best way to jumpstart my weight loss journey and ongoing healthy lifestyle. I am someone who has historically hated working out—but the 45-minute kickboxing HIIT classes at Fit Theorem are structured in a way that makes workouts go by quickly and incorporate an invigorating amount of energy and fun into each class. The coaches bring such a positive attitude and it is very evident that they are deeply passionate about the classes beyond their paychecks. Another element that I really loved about the classes was that every participant can go at their own paces to keep their heart rates wherever is necessary for individualized goals. The nutrition plan was straightforward with ample choices of proteins, vegetables, and carbs. It was easy to follow for even the busiest of lifestyles. The class times offered from 5:15 am-7:45 pm are very accommodating to different work/school schedules. I would recommend this challenge to anyone that is tired of making excuses and looking for accountability towards healthy goals.

Fantastic experience: I was first introduced to Fit Theorem (and kickboxing) by participating in their 6 Week Transformation Challenge. I love group workouts, I love being part of a fitness community and I like (and kind of need) motivating instructors/coaches. Fit Theorem was a great fit for this and for me. The workouts are intense and fun- the people and coaches are great. I lost almost 16 lbs in 6 weeks and I am the strongest I have been in years. I can't wait for my next work out and I look forward to doing another challenge in the near future!

Fantastic experience: Six week challenge complete!! My life was in need of a major positive change when I came across a challenge through Fit Theorem. I had never kickboxed a day in my life and really questioned if I would physically be able to do it. I knew it was what I had been looking for, especially when I found out that a nutrition plan and accountability coach would be included. These past six weeks have been amazing!! I went in with the desire to become stronger. I am stronger, I can feel it every time I move. I also am extremely grateful for the nutrition guide. I was floored when I did my midway weigh in. At that point, I realized that there was a strong possibility that I would actually be able to complete the challenge successfully. It required hard work, and I found the discipline within. I would absolutely, highly recommend this to anyone who wants a challenge or needs a change and is ready to make that commitment. The work outs are fun and full of energy. The coaches are amazing at what they do!! I feel blessed to have found something that makes me feel this good mentally and physically. What I thought might be impossible was possible and I am grateful to all those who helped me along the way.

Fantastic experience: First time doing kickboxing! I wish I would of started sooner but this is my happy place now.i would recommend it to anyone who is looking for a great workout with a great team and kickboxers!

Negative experience: Let me save you the hassle for their pitches. It’s $140 a month for a kick boxing club, with $197 start up fee and you have to pay first and last month of an annual fee for $447. They advertise a “free” six weeks - actually you pay $599.95 if you don’t crash diet and lose 25 lbs or 6% of body fat according to their unscientific machine at the end of those six weeks. Most doctors tell you that you don’t want to lose more than 1-2lbs a week, so the max they should recommend is 12 lbs. They say a certified nutritionist and trainer came up with this, but any dilly danged person can be certified. A dietitian actually has rigorous standards and a degree and accreditation they have to follow to be on top of the latest peer-reviewed studies. So I’ll be talking to my doctor about the right way to be healthy, as should you. I am a weight lifter and I expect to gain weight and instead go through body recomposition, but I doubt whatever they have actually measures body fat. I went in for a consult expecting to work out and have a form review, but first they sat me down and did their pitch. I thought this was to try out kickboxing for free to see if I like it. Nope, they’re monetizing crash dieting. Stay away.

Fantastic experience: Amazing place! Staff is wonderful and helpful. Great workouts! Very clean!

Fantastic experience: I highly recommend Fit Theorem in Northglenn. The staff is friendly and always willing to help. I love coming here it’s full with friendly faces and everyone helps each other out. If your looking for a kickboxing facility look no more you found the right one.

Fantastic experience: Such a killer workout. I took a chance on kickboxing and now I am hocked!! By far the best workouts I've ever done.

Fantastic experience: So much fun and a great workout! The staff and coaches are awesome!

Fantastic experience: There are just not enough great things to say about FitThereom and their 6 week challenge. Bottom line - IT WORKS! If you follow the nutrition plan and do the workouts you will see results. I was in a rut, a bad COVID rut. I am a nurse and the pandemic was really hard, there was no relief. Work was terrible and add in the isolation and I was feeling down. My other gym closed and I found myself slowly losing motivation to stay health focused at home. Slowly I gained almost 30 pounds! I was drinking more alcohol than ever and literally eating everything and anything I wanted. I knew it was happening but just lost focus. Walking in for my orientation it was an instant feeling of NEEDING to do this challenge. I felt automatic motivation. The sounds of the bags being kicked and punched was awesome. I saw a community of support that I knew I needed join. I was welcomed every class. The workouts are challenging and heart pumping - they make you feel powerful and strong. The coaching was awesome; professional, individualized and safety focused. The accountability coaching was also key - frequent check ins to make sure you’re following the plan outside the gym. Your accountability coach is readily available to guide, assist and answer any questions. I have my final weight in tomorrow/photos tomorrow and I am so very pleased with the past 6 weeks. I know from my home scale I lost 19 lbs in 6 weeks and that is fantastic! Regardless, this is the place for me - these are my people!!! Photos to follow!!!!

Negative experience: Was really excited about the 6 week challenge, but not willing to put 600 dollars down first. Will continue to look into kickboxing at places that are more affordable.

Fantastic experience: Before coming across the Fit theorem I had already decided that I was ready to take my health more serious than I ever had. Figuring out what was going to push me and guide me was my next step. What really drew me to this gym was their six week challenge! Everything was all ready set up for me to show up and put in the work. One of the many things I’ve noticed in the challenge is the amount of energy I have throughout the day! The motivation that kept me going are the other changes I’ve noticed in my clothes, my posture, the strength I gained, and so much more. After finishing the six week challenge I got a membership!!

Fantastic experience: I had an impulsive decision to participate in the 6 week challenge at Fit Theorum Northglenn after seeing an advertisement for it on Instagram. Best impulsive decision I took, I knew I needed the accountability and motivation to achieve my fitness goals. At first, I thought it sounded too good to be true; a meal plan, fitness coach, and kickboxing classes to help me lose weight all for free. Well I received more than what was advertised as not only did I lost 11.2 lbs of fat and 7.7% body fat, but I also gained 1.1 lb of muscle, a support group, and I needed a win to start of the new year. My roommate was my emotional support, 6 week seems short but you can easily slip if you don’t have the support. I didn’t focus on numbers I just did the work and my body responded. 80% diet , 10% weight training 6days/weeks and kickboxing 3days/week and final 10% from drinking 1 gallon on most days. Jenn, Sara, Victoria, and Will always mixed up the workout which is the best part of not getting stuck in a routine. I would have signed up for a year if it wasn’t for my move out of state. I fell in love with kickboxing and will continue to carry the healthy habits I learnt.

Fantastic experience: I participated in their 6 week challenge and let me tell you it was amazing! I lost 11.5 lbs of body fat, gained a couple pounds of muscle and lost 6.2% body fat overall! I have so much energy and i feel more confident and ready to take on the world! Thank you fit theorem for the experience and the kick start to 2021! :)

Fantastic experience: I took a chance on this place and their six week challenge because a good friend of mine decided they wanted to and I was not disappointed. I've lowkey wanted to always do kickboxing workouts and Fit Theorem was the best intro into the art that I could ever participate in. The results don't lie and I'm much happier than I've ever been with not only my body, but my confidence and feelings of self-worth as well. Plus you learn to kick a box real good.

Fantastic experience: I started at Fit Theorem with the 6 week challenge, and let me tell you it was the best "yes" ever. The coaches have so much knowledge. The environment, the people and workouts are so much better then any gym! I ended up losing 28lbs and placed 3rd in the national challenge! I truly recommend Fit Theorem. I don't think I will ever go back to a gym! THANK YOU Jen and all the coaches. Amazing place! Everyone needs kickboxing in their life!

Fantastic experience: iLoveKickboxing has been a life changing experience for me. The trainers are amazing, they know you by name and the encourage you for the full hour you are in the studio. The Energy is Exciting it's Been the Best Part of my Day!

Fantastic experience: I just completed my 6 week challenge and I am totally thrilled with the results! 12 pounds down and 6.3% body fat lost! At 55 and with some physical limitations, it wasn't easy, but I took the challenge and rocked it with the help of my coaches. I highly recommend ILKB Northglenn, the coaches are all great and the workout is at your own pace and level, so anyone can do it and you get out of it what you put in. I am much stronger in so many ways than I was just 6 weeks ago. Thanks ILKB Northglenn, you just gave me a fresh outlook on life.

Fantastic experience: I’m not the best at keeping up with when I exercise, but the team really makes me welcomed and I love that when I stray away for a week they email and text me to make sure I’m doing good and to remind me to come back soon. I also enjoy that the coaches take time to get to know your name and your goals. I hope to start the 6 week challenge soon. Fingers crossed. Thank you ILKB team for always keeping us in check and for pushing us to become a better version of ourselves.

Fantastic experience: I am absolutely blown away by this experience. I joined the ILKB group as a participant for the 6 week challenge when I was at my lowest mentally and physically and was a bit hesitant if I could stick with this. I had visited other ILKB locations before the Northglenn studio and right away I knew this was the team I wanted to be a part of. The staff is experienced and brings high energy and their own personalities onto the mat everyday. They make a true effort to know every person that walks into the studio and is always available for any assistance you need. With the six week challenge - the meal plans were clear and well thought out, the in studio workouts were extremely challenging and FUN, the at home workouts still made me feel like I pushed myself to get an intense workout in, and the accountability coaches were there every step of the way! They understand that everyone is on their own journey and encourage all to improve not only their physical health, but their mental health as well. At the studio, every participant there is not just a kickboxer, they are a family. Help, encouragement, high energy and just pure happiness is always there and it’s such a joy to be around. I completed the challenge with a loss of about 10 lbs. and 6.8% body fat and this is just the start of my journey. I cannot wait to continue these workouts!!

Fantastic experience: Positive: Communication , Professionalism , Quality So much fun, I love being a member here. Below is a pic of our awesome community, keep in mind this was taken before CO-VID. The instructors are there for you and will help you in your fitness journey.

Fantastic experience: Fit Theorem is truly amazing. From the environment in the studio, to the cleanliness and dedication to following Covid guidelines, to the workout that keeps you sweating, you can’t ask for much more! The coaches and members are friendly and welcoming, and you’re part of the family as soon as you step inside! The workout truly was the best part of my day, and I would recommend everyone tries at least 1 class!

Positive experience: Biggest issue I have is them promoting a "Free" challenge. It's not free, it cost $600 and they set a goal for you to lose either 25lbs or 6% body fat in 6 weeks for you to get the $600 back. They also make you decide on the spot so you dont have time to go research and find out that (in my case) 6% body fat is a pretty unrealistic goal. I did lose over 20lbs and overall enjoyed the program so I'm not complaining but I think it's fair to warn others what you're actually getting into. There is no intention for this to be free, you either lose $600 or get roped into an even more expensive year long membership. Possibly it's free if you're already a member? But if not the only intention is to pressure you into becoming a member.