Bowmanville's home for Muay Thai, Jiu-Jitsu, Boxing and Wrestling. Since 2011 we've trained the whole family, from first-timers to fighters.
Since 2011, Kalsamrit has been Durham Region's premier martial arts and athletic training facility.
You get out of training what you put in. Our instructors and athletes meet you with the same energy you bring, holding each other accountable in the spirit of shared success. Whether you're brand new or an advanced competitor, you'll feel encouraged and empowered from day one.
Real technique from elite instructors, taught step by step.
A family-first room where every member is welcome.
Fitness, confidence and skill you can measure on the mats.
Step into an 8,000 sq ft facility built for the whole family — three dedicated rooms, top-of-the-line gear, and a fully functional weight room.
Book Your Free ClassWorld-class coaches who teach real technique and know every member by name.
8,000+ sq ft with three dedicated training rooms and a full weight room.
Families across Durham Region trust Kalsamrit — and keep coming back.
From Little Ninjas to the fight team, there's a place for every member of your family on our mats.
Little Ninjas, Kid's Muay Thai, Jiu-Jitsu and Wrestling that build confidence, focus and respect.
Explore kids programs →
Muay Thai, BJJ, Boxing, Wrestling, Ladies Kickboxing and Strength & Conditioning for every level.
Explore adult programs →
For competitors ready to test themselves — structured training with our coaching staff.
Ask about the team →Try any program on us. No pressure, no commitment — just come move, meet the team, and see if Kalsamrit is your tribe.
A full week of martial arts, games and fun.
Drop the kids for the day — we'll keep them moving.
All-summer training, skills and friendships.
Beat the cold with a week on the mats.
"Very welcoming and fun atmosphere. Very skilled martial artists who know how to go hard while remaining controlled and safe. I had a blast and will definitely be back!"
"My children have all participated in classes at Kalsamrit. They loved the gym and the community. I have seen their confidence grow throughout their time there. Thank you for everything!"
"My kids have called this gym home for three years now. The depth of knowledge the staff has is incredible, as well as the very friendly atmosphere!"
"Kalsamrit is such a welcoming, fun, respectful place. My kids both have been a part of the gym in Little Ninjas and Muay Thai and have loved it every time. If you're looking for a martial arts gym, Kalsamrit is the best!"
"Kalsamrit isn't just a martial arts gym. They focus on making you a better person through all aspects of life. Kalsamrit truly is a family vibe!"
"The trainers are all very welcoming and extremely knowledgeable. After each class I feel I develop new skills and get an amazing workout. I recommend this gym to anyone at any skill level."
Kalsamrit
