2026-08-20T14:43:59.873Z

Great gym . Loved the coaches/trainers . Would have stayed a member unfortunately had to relocate.

2026-08-13T12:50:05.526Z

I am having a wonderful experience with J3 Athletics.The owner James, will accommodate you based on your comfort level. I joined the gym in June and attend the classes 3x a week. It can be challenging, however the instructors have supported me by modifying some of the exercises. I am so happy to be a member of J3 Athletics. You will be leaving the gym with confidence and determination ; that anything is possible if you dedicate the time and energy with your working out. Thank you 😊

2026-07-16T12:13:53.544Z

J3 is awesome. The atmosphere is what I need on a week day or a weekend, on a good day or a bad day ( because yes I am just human and I have bad days). The members are friendly and always smiling. But more importantly the coaches at J3 are very attentive. Every class I feel like I’m getting a private session. There’s no question of what I’m getting out of my membership. I get to work out, improve my fitness and feel good. I Highly recommend j3 if you are someone that is looking for Your workout place to be a welcoming and friendly place and a place that will care about your success in your personal goals as it relates to your health and fitness.

2026-07-09T17:45:26.782Z

Started with J3 a few months ago. James and his team have been great and understand on my limitations and understand my goals. I really do appreciate it and have definitely pushed me out of my comfort zone. But glad it does cause when I complete the workout I feel so accomplished and proud that I was able to do it.

2026-07-08T22:05:19.804Z

This gym is perfect for folks who want a personalized workout experience. The instructors here are super knowledgeable and creative when it comes to switching up the routines. I also appreciate that it’s a smaller gym which isn’t as overwhelming compared to larger gyms.

2026-06-11T19:46:25.965Z

2026-06-10T14:55:08.294Z

I have had a great experience since I began working out at J3 a few months ago. From the very beginning, James took the time to understand my goals, fitness level, and any limitations I had, which made every session feel personalized and purposeful.What really stood out was the trainers ability to motivate without being overwhelming. They consistently struck the right balance between pushing me to improve and making sure I felt comfortable and confident throughout the process. Their positive attitude and encouragement made even the toughest workouts enjoyable.James and the other trainers also demonstrate a strong knowledge of fitness, technique, and overall health. Every exercise was clearly explained, with attention to proper form to prevent injury and maximize results. Beyond the workouts, they offered helpful advice on nutrition and lifestyle changes that supported my progress.

2026-05-29T01:35:18.121Z

I have been going here for a few months now, and I’ve already seen amazing results! The supportive environment and effective classes keep me motivated and accountable.

2026-05-17T21:15:42.450Z

2026-04-27T21:51:15.232Z

I joined J3 Athletics in April 2025 and haven’t looked back. I wasn’t exactly sure what I wanted when I started, but I found it here.The structure, variety, and motivation are excellent, and the sense of community really stands out - the people are genuinely great. Even in a group class setting, it feels personal. The coaches meet you where you are while still pushing you to improve, without it ever feeling intimidating.Workouts are fun and constantly changing - one day you’re improving from your deadlift max, the next you’re catching your breath after burpees. It keeps things engaging.I came in with zero weightlifting experience, and a year later, being able to lift confidently is incredibly rewarding. Highly recommend

2026-04-17T20:28:07.330Z

Excellent gym!!! Great atmosphere!!! James runs a really great gym!!

2026-04-15T18:24:47.786Z

I was looking for a gym that has classes that focus on both cardio and strength. I found that at J3 Athletics. In addition the class times fit well with my schedule. It is the best gym I have found in Stamford.

2026-04-11T12:42:22.700Z

2026-04-08T18:38:12.242Z

I've been a member of J3 for almost 2 years, and for the past year I've been participating regularly, and it's been a game-changer! What I love most is the variety—every class is different, which keeps things fresh and challenging. I need structured classes to stay motivated, and J3 delivers exactly that. Weight lifting was new to me, but the personal coaching has made a huge difference—my form is improving, and I’ve already increased the weight I can lift. Additionally I joined the nutrition program and lost over 11lbs and 5 percentage points of body fat. I look and feel amazing! I love that it’s also a small business that I’m supporting and the gym has become my second home 🤍 Highly recommend J3 for anyone who thrives on dynamic workouts, a welcoming community atmosphere, and expert, hands-on coaching!

2026-03-31T17:40:14.315Z

I’ve never been a gym person—but this place completely changed that for me.What really makes the difference is the class format. Every session feels structured, engaging, and different, so it never gets boring. The variety of workouts keeps me motivated and challenged in the best way.The class sizes are smaller, which makes a huge impact. The coaches are incredibly attentive—they actually watch your form, correct you when needed, and make sure you’re doing each exercise safely and effectively.Another thing I really appreciate is how they adapt every exercise to different levels. Whether you’re just starting out (like me) or more advanced, they meet you where you are and make sure you can keep up without feeling overwhelmed.Overall, it’s a supportive, well-structured environment that made me enjoy working out for the first time. Best gym in Stamford!

2026-03-03T23:25:33.452Z

2026-02-19T01:21:17.251Z

The best gym in Stamford

2026-02-09T17:06:27.353Z

I visited Stamford for a week and was lucky enough to work out at J3 Athletics. It was a fantastic experience with a great atmosphere.Here are a few things that stood out:The programming: Is super fun and diverse, covering everything from stability and strength to HIIT, all with great warm-ups.The coaching: James is an incredibly attentive coach. He pays close attention to form to ensure you are performing the exercises correctly and offers scaling options if a movement is too technical.The facility: The gym has all the equipment you need and two showers available, which is a huge plus.I highly recommend checking this place out when you are in Stamford! Thank you, James, for giving me a real sweat during my time here!

2026-01-30T16:00:07.686Z

UPDATE (1/30/26): It's been almost a year since I joined J3 and I have seen the results! I feel stronger, built more muscle, and have more energy. James also has comprehensive nutrition programs which I highly recommend taking advantage of!I’ve been part of the J3 community since the beginning of March. It’s been a long time since I was a member of any gym and after some encouragement from a friend who’s a long-time member, I decided to check it out and I’m so glad I did! The people are great and very welcoming. I also really like that the class sizes are small so I’m able to get additional instruction from the coaches on doing the moves correctly and improving my form, especially since I’m new to a lot of the exercises. I also enjoy the variety of workouts and that you’re able to preview and book them on the app! If you’re looking to join a gym in the area, I highly recommend checking out J3!! :)

2026-01-30T11:09:28.440Z

I was always skeptical about CrossFit, but after seeing J3, I was convinced it’s the real deal. I quit “the other gym” and train only here exclusively. Top notch training along with top notch coaching equals awesome results! They have pushed me past my limits and believe in me! The atmosphere here is high vibe and totally contagious...you’ll leave with good sweat and a smile on your face. I like how they work with all fitness levels and encourage everyone to push hard no matter their fitness background.J3 Athletics accommodates what every athlete is looking for! Go check them out! This is the best place ever!Update:Very satisfied with my results! Stepping it up with nutrition now to add in that extra extra. This gym offers it all!