Strength and conditioning for athletes in Watertown, Massachusetts

Welcome to CrossFit Arsenal: Fitness and Jiu Jitsu, your premier destination for group fitness and Brazilian Jiu Jitsu in Watertown, Massachusetts. Conveniently located at 39 Clarendon Street, just off Arsenal St in East Watertown, we are easily accessible to all local residents. At CrossFit Arsenal, we believe every body is unique, and our mission is to help you find a fitness routine that works specifically for you. Trusted and loved by hundreds of Watertown residents, our vibrant community is what sets us apart and will keep you motivated on your fitness journey. We understand that joining a gym can be intimidating, which is why we strive to create a welcoming environment where you can feel comfortable and confident from day one.

Rumble Boxing is a cutting-edge gym located at 519 Arsenal Street in Watertown, Massachusetts. This innovative fitness facility offers a unique and high-energy boxing workout experience that combines cardio, strength training, and boxing techniques. With a focus on health and wellness, Rumble Boxing provides a fun and effective way for members to improve their fitness levels and overall well-being. Whether you're a seasoned athlete or just starting out on your fitness journey, Rumble Boxing has something for everyone. Come join us and unleash your inner fighter!