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Boston Underground Strength Training offers a welcoming and supportive environment for all fitness levels. Located at 235 High St, Waltham, MA, the gym provides personalized training programs with expert coaching. The focus is on strength, proper technique, and overall well-being rather than just weight loss. Members appreciate the knowledgeable coaches who tailor workouts to individual needs and goals, ensuring progress and safety.

With flexible hours and a dedicated team, Boston Underground Strength Training fosters a strong community feel. Clients consistently report positive experiences and significant physical and mental health improvements. The semi-private training format allows for personal attention without the discomfort of one-on-one sessions.

Pros:

  • Expert and supportive coaches
  • Personalized training programs
  • Focus on overall well-being, not just weight loss
  • Welcoming environment for all fitness levels
  • Clean and organized facility
  • Flexible scheduling
  • Progressive, goal-oriented workouts
  • Attention to proper technique and safety
  • Strong sense of community
  • Semi-private training format

Cons:

  • Limited hours on weekends
  • Sessions require scheduling due to semi-private format
  • Potential scheduling conflicts for some members

Location / Contact

Rating Stats

5.0

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10 reviews
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4.0
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3.0
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2.0
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1.0

Reviews (10)

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Joining Boston Underground Strength Training has been one of the best decisions I’ve made! I first joined during a really busy period of grad school where I was working long hours and had a constantly changing routine. It was so nice to know that no matter how busy I was, I would always be getting at least two workouts in each week! I’ve been training with them for 6 months and feel like I have my body back and am stronger than ever! The coaches are so kind and professional and they’re always able to provide adaptations to the exercises when needed. I also really appreciate that the community isn’t focused on weight loss, rather getting strong and feeling good for life. I feel like I lucked out in finding this gym and will continue to go for a long time!

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I've been working with the coaches at Boston Underground for almost a year now, and I feel better than I ever have before. The strength training and coaching has helped me to be a better triathlete, and helped me to feel better on a daily basis.

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This place is one of a kind. Even though I'm in for a tough workout, I look forward to each one. The coaches have created an environment where I feel confident to pursue my fitness goals without judgment, free to ask questions, and secure knowing that they will push me when I need it, and help me rein it in when I need that.Not only are the coaches experts in the moves and techniques, which maximizes each exercise, but they always take the time to when I get there to make sure I'm feeling good and ready to go. Whether it is back is feeling tight, they make sure to address it at the start and keep an eye on me throughout.If I haven't mentioned the coaches enough the last thing I will say is they are some of the genuine people I've come across who care about me and my goals. I know if I come in and dedicate an hour to them, I will leave feeling exponentially better than when I went in.

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This place is great! The coaches are awesome, and the strength camp classes are the perfect balance of group fitness and hands on coaching. The coaches also do an amazing job modifying exercises for all fitness levels. Highly recommend!

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Boston Underground Strength Training is by far the best gym and personalized training experience that I have ever done! I have always been very active but I've always struggled with strength training - I didn't know how to lift and I dreaded any type of strength training. Under the excellent guidance of Angel and Angela I not only learned how to strength train properly and safely but discovered that I LOVE it!Angel takes his time to determine your goals and develops an individualized plan to help you achieve your goals. During sessions there is always close oversight to ensure you are completing the movements correctly and to tweak the program if necessary. Their attention to detail during sessions makes it feel like a personal training session but without the awkward constant one-on-one attention that usually come with personal training (which I hate).Unfortunately due to scheduling I had to take a break from the gym but Angel helped me to develop a personalized plan that I can continue with at home until I can come back. They truly care about their clients and push them to meet their goals. I can't say enough good things about BUST and I look forward to coming back after the summer!

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There’s so much I could say about BUST, but the best thing I could say is that they have changed my life. I came straight to BUST from physical therapy after a back injury and they have helped me build back strength I lost during recovery, build back confidence, and strengthen my core and back to help prevent further injury. All of the coaches have been so accommodating and understanding and always ensure the moves are done correctly to protect my back and help modify moves when necessary. The whole gym has a great community feeling and every coach is knowledgeable and so kind.

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I am just finishing up my third month at Boston Underground and I have nothing but positive things to say about my experience thus far. I came in with zero gym experience and have progressed beyond my own expectations. I was extremely nervous about my lack of knowledge and experience at the gym, but since joining, I have become comfortable in the space and actively look forward to every session (something I never thought I would say).The coaches are all amazing and make Boston Underground a welcoming space for everyone. They want to see you succeed and will push you to achieve the goals you have set out for yourself. I’m happy to have found this community and highly recommend it to anyone who is interested in joining!

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Goldilocks would approve!Boston Underground Strength Training fills a unique niche that’s just right:Semi-private training (up to 6 people) with individualized programs that are updated every 4 weeks. Friendly, knowledgeable coaches who provide just the right amount of guidance / correction / encouragement while giving you space to own the workout yourself. Spacious, welcoming, super clean, incredibly well-organized. Accessible to all levels of experience. Oh, and did I mention independently owned? I’ve been coming in twice weekly for the past 6 months and will continue to do so. I am very pleased with the progress I am making and love being a part of this community. Thank you, Team BUST!

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I am so glad I joined Boston Underground Strength Training back in December. In the four short months I have been a member, I have noticed big changes in my overall strength and physical health, as well as mental health. I have done a lot of strength training in the past, but never with the level of guidance and purpose BUST offers. The coaching staff is amazing; the coaches create specific training programs to help members reach their individual goals. I really can’t recommend BUST enough for those looking to start or continue strength training!

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I have been working out at Boston Underground Strength Training for close to a year now, having arrived knowing very little about weight training. The coaches made me feel welcome immediately and supported me in becoming stronger than I’ve ever been. It’s as if they magically know the balance between motivating me to challenge myself and pulling back when my body needs it. They are careful and mindful of injuries, while supporting members to continue to train and build strength. The gym itself is organized and clean and truly a comfortable, accepting, and joyful place to work out.

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Frequently Asked Questions

Except the peak hours, this place remains quite free or moderately crowded.

This business has a rating of 5.0-star.

This business has 10 reviews.

The address is: 235 High St, Waltham, MA 02453, United States .

The contact number is +1 781-373-2199

This service is listed under Gym .

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