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Experience everything STC has to offer!

2 Week Trial
$29.99Unlimited Training
  • • Access to our boxing and fitness programs
  • • Access to our facility for open gym hours
  • • A community of members and staff that will encourage you every step of the way
  • • Unlimited small and large adult group classes.
  • • A FREE 30 minute Whole Rose Nutrition Introduction
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We are on a mission to bring out your inner boxer and help you live the healthiest life you can! We strive to build an unmatched culture of support, guidance and purpose to our Waltham community and surrounding cities and towns! Everyone has a fight from within, and we want to help you harness it and make you feel like an everyday champion! 

What Our Customers Say About Us

Some may call it a Boxing gym, some may consider it just another place to workout, but for me, STC is home. With extraordinary trainers Brad and Danielle, coach and nutritionist Kimbo is hands down the cherry on top of a cake. One is to expect endless undivided individual attention along with skillful expertise all year long. Working out at STC is my daily motivation, there is no denying that. I’ve made some great friends here at STC, rather a family far away from home, and I hope this family only grows bigger!

Rishabh Maini 

I’ve been going to STC for about 3 months now, and can say this is one of the best decisions of my life! I have never pushed myself the way Brad will push you to your full potential. Not only are you boxing, but you’re also getting a full body crazy workout. Would absolutely recommend giving STC boxing & fitness a try, amazing gym with amazing and encouraging people.

Simon Hailu

I cannot say enough good things about STC Boxing & Fitness. In just two months, I can already feel myself getting stronger and my body changing. Brad, Kimbo, LeRoy and Danielle are not only excellent, knowledgeable instructors, but they are also great people. I appreciate that they take the time to help each student and address individual needs. No class is ever the same and I have learned so much in the short time I have been here. I am really excited that I have found something that I enjoy so much. By far, it is one of the best decisions I have made on my health journey. Thank you, STC! 

Jill Treddin

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