CrossFit® Merrimack - Lowell, MA
The center is an official CrossFit® affiliate. Last checked: 25/07/2025
CrossFit is a registered trademark owned by CrossFit, LLC, which is not affiliated with FitFit United States.

Information about CrossFit® Merrimack - Lowell, MA
01852, Presque Isle
Opening hours
- Monday: 5:30 AM – 7:30 PM
- Tuesday: 5:30 AM – 7:30 PM
- Wednesday: 5:30 AM – 7:30 PM
- Thursday: 5:30 AM – 7:30 PM
- Friday: 5:30 AM – 7:30 PM
- Saturday: 8:00 AM – 12:00 PM
- Sunday: Closed
Services, Machines and Guided Classes
CrossFit® Merrimack - Lowell, MA: Opinions
Fantastic experience: Place is absolutly amazing.Its got a big open area to workout in. The coaches are great; they really help you with your technique and give you that extra motivation to finish. Everyone who goes there is really friendly and welcoming. There is a sense of community that you notice when you walk in. Definetly recomend going in to try a class.
Fantastic experience: My home away from home, this gym has changed my life. The most amazing community of supportive and inspiring people. The coaching is the best and most knowledgeable I have ever had; I have grown so much as a person and athlete since joining. I highly recommend this box for anyone who is a veteran to crossfit or who has never tried it before. If you are visiting the area it is worth a doing a drop in class too. You won't regret it!!!
Fantastic experience: Love this place. The coaches are not only amazing at teaching good technique in all movements and increasing flexibility but are also extremely supportive and friendly. I've never felt so at home at a public place in my life. The gym is also filled with athletes ranging from beginners to people with years of experience and everyone is able to behave like one big family. Dropping in for a free trial class may be one of the best decisions you'll ever make.
Fantastic experience: Great environment and wonderful people.
Fantastic experience: Great atmosphere, great equipment and most importantly and an intelegent staff. I've had very good experiences here.
Fantastic experience: I've been going to Crossfit Merrimack for over two years. One of the best decisions I've ever made. The owner and head coach Bob Grenier is extremely knowledgeable in fitness and wellness. With his help I'm am in the best shape of my life only growing stronger and faster everyday. Most importantly is the community here. CFM has some of the most amazing people I have ever had the honor in meeting. To be by their side, and grow with them is incredible.
Fantastic experience: The owner is great! He took the time to teach me proper form and made sure the weight wasn’t too much for me. Everyone was also super supportiv
Fantastic experience: CrossFit Merrimack is a great place to get physically and mentally strong. Bob is an excellent coach with the skills to help us to grow efficiently. CrossFit Merrimack has a great sense of community where feedback and encouragement is provided by peers and coaches. Excellent selection of coaches, very friendly environment. I feel so confident with Bob at CrossFit Merrimack that even let my 15 yo son join this wonderful community. Thank you all for coaching and being there at every single move we make.
Fantastic experience: Great set up, lots of space.
Fantastic experience: Positive: Communication , Professionalism , Quality
Fantastic experience: Bob and the other coaches are excellent! It's all about putting in work from the moment you step into the gym. No regrets.
Fantastic experience: This gym is amazing. Great space, great coaches. I've been coming here for 6 months, I'm down 40 pounds and I've progressed so much further in my fitness then I possibly could've on my own. The community here is awesome. Everyone it's really supportive and it really keeps you motivated to get bette . Bob is an awesome owner/ coach. If you're thinking about crossfit, you should definitely check this place out.
Fantastic experience: The coaches and athletes are very welcoming and push you to do your best. Workouts are challenging and modified for your fitness level. I would never go back to my regular gym after feeling and seeing the benefits from working out here!
Fantastic experience: Anyone, at any fitness level, will feel welcomed at this gym. I came looking to change my attitude and gain confidence in my physical and mental abilities. After 6 months I can feel and see the difference that CrossFit Merrimack has made in my life. The challenges to drive myself and improve still keep me coming back. I am 57 years old next week and I have never felt better. Thank you Bob Grenier and all of the coaching staff for your guidance and support. Annie Bassett Bienvenu
Fantastic experience: CrossFit Merrimack has changed my life in so many ways! I started here with no prior experience, and was totally out of shape. I've been going to CrossFit Merrimack for over 6 years and I have never felt better. The coaches are professional and knowledgeable. The facility is large and open. It's a great community atmosphere and a lot of fun!
Fantastic experience: CFM has brought nothing but goodness into my life. The community is second to none and Bob's programming has catapulted my fitness is all of it's domains. Highly recommend if you are looking for a supportive environment that will challenge you to grow as an individual.
Fantastic experience: Very welcoming and friendly!
Fantastic experience: Starting with zero experience the community is welcoming and the coaching fantastic. Whether your a veteran of crossfit or have not stepped foot in a gym in years there is a place for you here. This gym really cares about its members and the local community.
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