Fit Theorem Northglenn

Information about Fit Theorem Northglenn
Opening hours
- Monday: 5:00 AM – 9:00 PM
- Tuesday: 5:00 AM – 8:30 PM
- Wednesday: 5:00 AM – 9:00 PM
- Thursday: 5:00 AM – 8:30 PM
- Friday: 5:00 AM – 8:00 PM
- Saturday: 7:30 AM – 12:00 PM
- Sunday: 7:30 AM – 12:00 PM
Fit Theorem Northglenn: Opinions

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: Positive: Professionalism 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: Amazing place! Staff is wonderful and helpful. Great workouts! Very clean!
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: This place and the coaches have changed my life. After a surgery, my muscles atrophied, which caused excruciating back pain. Before I started working out here, I was on two different pain killers/muscle relaxants and had actually fainted because I was in so much pain. The coaches were so helpful and understanding when I first started and so encouraging throughout my time here. I am now pain free, off medications, and feel so much stronger and more confident. I would highly recommend joining this beautiful fit family!
Fantastic experience: I’ve been attending ILKB Northglen for almost 2 years now. I enjoy going to class, it has become part of my day. I get restless when I miss a day of class. All the coaches and fellow members are amazing, encouraging and friendly. We encourage each other to reach our goals. I have been blessed to have found wonderful friends from this studio. The classes bring different challenges everyday. It never gets boring. ILKB is not just a studio, it’s a FitFam Community
Fantastic experience: The plan was for my friend and I to just go to ilovekickboxing for the initial 3 classes for fun, get our kicks and go. Being a working mom I don’t have time to work out regularly, I thought. The atmosphere was great, the people are so nice and you don’t feel judged. It was honestly the funnest workout I have ever done and the schedule is so easy and open to work for everyone! You can go once a week, 7x’s a week, 2x’s a day whatever you can do. I am 3 months in and I try to come as often as possible because I am feeling amazing and I’m loosing weight! Which has been so hard for me to do in the past and I am having fun doing it!
Fantastic experience: I love my ILKB fam! If you are looking to tone up and build strength, iLoveKickboxing is for you! You get an hour of intense cardio and toning, you will leave feeling great and energized and always wanting more! You can come back to every class everyday if you want, there is no limit on that! The pro shop is always great too, new apparel regularly, awesome energy drinks and bars to help with the workout burn! I am glad I went with iLoveKickboxing, I am a lifer!
Fantastic experience: I love this place. The coaches are encouraging and make it very fun but also are sure you are learning the best form and helping you find your confidence. ILKB Northglenn is the best place to motivate, encourage and burn off steam while having fun and enjoying good music.
Fantastic experience: This place rocks! I feel like I get a complete workout and everyone is super helpful and friendly. They have many classes to accommodate almost any schedule. It's also great for any skill level. The fact that I can go as many times as I want you can't beat the price either!
Fantastic experience: What a workout! The bag rounds are so fun that before you know it the class is over. With a heart monitor, you can watch your progress during class! Love the staff and the members, everyone is helpful and supportive. Highly recommend if you are looking for a great workout with a flexible schedule and no judgment!
Fantastic experience: I’ve been kickboxing at ILKB Northglenn for about 3 months now and I have never stuck with a workout or gym for as long as I have with kickboxing. I’ve never felt so much support and comradery not just from the staff, but from fellow kickboxers as well. The studio feels more like a family than a gym. We hold each other accountable and encourage each other during the workout and on social media. It is truly the best workout in the best possible environment.
Fantastic experience: I absolutely love this kickboxing gym. The atmosphere is so motivating and supportive! There is no better feeling than going to the gym and seeing bright friendly faces ready to kick some bag and throw some punches! The instructors are great, no 2 workouts are the same and I seem to sweat and be challenged more each time! This place is the best!
Fantastic experience: ILKB - Northglenn is very welcoming and encouraging right when you walk in the door. The coaches are very uplifting while working out and walk around during your work out to make sure you are getting the max work out by helping your form. Every work out I go to I feel accomplished and burn over 600 calories in just 1 hour. The best feeling walking out the door!!
Fantastic experience: Love this place!!!! Most amazing work out of my life. They encourage you, support you, motivate you! Rock your world! I’ve never been so happy with my body!
Fantastic experience: I’ve been going to ILKB Northglenn for about 6 months now and can honestly say that I love it. My endurance and strength has increased so much since starting, and if I ever go longer than a week without a kickboxing class, I am dying to get back in. The instructors get to know us personally and provide health tips, teach correct form, and offer nutrition advice to help you reach your goals. They also do special promotions, contests, and DJ Nights for members. Every class is super upbeat and motivating. I always leave sweaty and smiling – WAY better than spending an hour at a regular gym. I would HIGHLY recommend signing up for at least a trial. There are men and women of all ages and sizes, and from what I can tell, every single person is having a blast. This is the longest I have personally stuck with my fitness goals, and that is thanks to my ILKB family. Don’t miss out!
Fantastic experience: I started working out here a few months ago and I am absolutely addicted! I recommend it to anyone looking for a great, intense, fun workout with some of the most encouraging trainers and members I've ever been around at any gym. They are really committed to helping you reach your fitness goals while having fun, and learning how to the best version of yourself. It's a group workout with personal attention if you need help with form and/ or encouragement and challenges when they think you can take it! I love ILKB!
Fantastic experience: I used to HATE to work out.. ILKB, does't feel like a work out. Super fun classes, meet great people to work out with! Best work out I have done in a LONG time!, great group of coaches!! They keep the classes fun and interesting.. You learn new things all the time.. Best thing I have done for myself in a long time.....
Fantastic experience: ILoveKickboxing is more than just a place to work out. All of the staff is awesome and work hard to make sure you get what your there for!! Everyone treats you kindly and makes you feel like part of the family!! The building is always tidy and clean and that's always a plus!! It's all in all a fun place to go and get a great workout in!!
Fantastic experience: These guys are great! All the instructors are super helpful and welcoming. They teach you a little at a time and make sure you've got the correct form throughout. I've never been one to sign up for classes and actually go, but with my ILKB family, I actually want to go workout!
Fantastic experience: My name is Ana and I joined ilovekickboxing about a month ago after a co worker recommended it. I have since then recommended several friends and got my sister to sign up! Everyone there is amazing and extremely friendly. There is no judgment everyone learns at their own paste and everyone there makes one feel super comfortable! The staff is very inspiring and awesome! I love this place and would highly recommend it to everyone!!!
Fantastic experience: I love this place!! The instructors are friendly and encouraging which creates a fun workout environment! The workouts are dynamic and empowering for any participant. Joining ILKB Northglenn has been the best thing I have done for myself.
Fantastic experience: Praise for ILKB! I've disliked my body my whole life, and I've never been good at figuring out and keeping a workout regiment. I could never continue a workout once I started! The first night I walked into I Love KickBoxing I knew it was perfect. Not only do they have an awesome workout routine, but it works! In the short time I've been a member; everyone (including myself) has seen an amazingly positive change in my body. I've toned up and gained new muscles. The best part is that I feel wonderful in my own body now. The coaches there are some of the funnest people I've met and extremely knowledgeable. They cheer you on and get your butt in gear! I can't thank then enough for what they do for me in every class and I highly recommend checking ILKB out!
Fantastic experience: I hate the typical gym and I would always makeup excuses to not go, but this place I can't wait to go! I also have restrictions due to previous injuries and the instructors have showed me how to modify my workout so I still get the benefits! I never knew how exhilarating it is to hit something. The instructors and classmates are incredible!
Fantastic experience: This establishment has stole my heart and I just can't seem to stay away! I fell in love with the workout and the crew on my very first day and have been back more than anticipated. The workout is intense, but not so much that a newcomer would be intimidated. The crew is phenomenal and is the biggest reason I love going regularly! They get to know each person and encourage them to achieve their goals. If you are looking for a fun, challenging, and wonderful experience, this is where you want to be.
Fantastic experience: Joining ILKB is one of the best decisions I've made in a long time. This place is fantastic. The instructors are super helpful, welcoming and supportive. The community is amazing as well. Everyone is so positive. You'll find yourself craving to go. You get out of the workouts what you put into it, and wow are the results amazing. Seriously, If you're debating, just go check it out. It will be worth it.
Fantastic experience: This place is amazing. The staff is incredible, they are there for you the entire time, they won't let you fail and you feel like a priority. I have had a hard time finding a gym where i felt like part of something and where everyone was nice. The workouts are so much fun, the music, the atmosphere, everything is GREAT. You leave feeling like you got your butt kicked and its so worth it. - Jenn Johnson
Fantastic experience: I love this place! I seriously look forward to these classes all day long! The management and instructors are so friendly and encouraging too! The workouts are hard, but you can easily adjust to your fitness level. I have cancelled all of my other gym memberships because after these classes being on a treadmill is just plain boring!
Fantastic experience: Omg! What can be better than a work out here! Regular gyms aren't the same as here. You will get support and help. Instructors are super professional and they know what they are doing. Love this place. Happy to say I'm a member of this awesome family!
Fantastic experience: This place has changed my outlook on fitness!!! I really don't even think of it as working out, it's so much fun! The instructors and other members have become my family and I actually look forward to going to class! I have seen such a dramatic change in my stamina and strength since I started going regularly!!! I would highly suggest coming here to the Northglenn gym!!
Fantastic experience: This place is great! The trainers are awesome, they get to know you and your goals, they really want to help you accomplish everything you set out to do. The workouts are challenging and they mix them up enough to where you are never bored. I would recommend to everyone!
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