Profound Fitness Kickboxing & BJJ
“I joined after I had my baby and not only did I leave, each time, feeling good about myself and new body, but I also walked away with a new community.”
Best Kickboxing Classes near Thornton, CO
These gyms serve Thornton from nearby bases in towns including Westminster, Broomfield and Denver.
15 gyms listed · 12 open weekends · all 15 rated 4.5+
Data verified October 18, 2026
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303 Training Center (Westminster Brazilian JIU Jitsu)
“Coach Eric and Coach Jake were the coolest, super patient, and happy to help with any questions throughout the session.”
Rocky Mountain Sports Club
“Highly recommend taking a self defense course with a group of friends as it never hurts anyone to help be aware but also, having tools in your box to utilize in a situation.”
Colorado Brazilian Jiu Jitsu Satori (Jiu Jitsu Colorado)
“I could not recommend it more highly to anyone interested in learning BJJ in a safe, welcoming, and friendly environment.”
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Ludwig Martial Arts / Bang Muay Thai
“He provided a ton of guidance during the class to fine tune my technique and movements.”
Venture Martial Arts
“Amazingly patient instructors who positive and genuinely believe in their students .”
The 15 gyms listed for Thornton, CO teach kickboxing, muay thai or both. What each gym says about timetables, junior classes and sparring comes from its own website, alongside public review scores.
Area overview: Thornton, CO
The 15 gyms on this page are rated from 4.8 to 5.0 across 1,777 reviews; 8 have 50 or more reviews. When students and parents rate these gyms on specific qualities, they most often praise professionalism (93%), quality (93%) and communication (63%). The topics that come up most in reviews of the gyms on this page are "atmosphere", "skills" and "community". 12 are open on Saturdays and 4 on Sundays. 1 has a BBB rating of A or A+. 10 have ten or more years of experience, the longest 22 years. 4 list coupons or special offers. We have a website on file for 14 of the gyms on this page; 11 publish a contact page; 8 list a public email and 6 take bookings online. We count these figures across the gyms on this page; hours and prices change, so confirm the details with the gym before you enroll.
Can I reserve a kickboxing class online with gyms listed for Thornton?
6 of the 15 gyms here take bookings through their own site, which is the simplest way to land in a beginner session rather than the fight class. A gym without online booking works on a phone call or a walk-in, so say on the phone that it is your first time.
Grinders Fitness
“The other students are also always friendly, creating one of the most positive learning environments I've ever seen.”
Synergy Martial Arts & Fitness
“Would recommend this place over the few other places I checked into.”
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Vital Training Systems
“The fundamental striking classes have improved my coordination, and the conditioning classes leave me dripping with sweat & accomplishment.”
DCO MMA & Fitness
“The Paprocki's have created a fabulous training program that supports mental growth as well as physical growth.”
Zingano Brazilian Jiu Jitsu
“Had a lot of fun, learned a ton of stuff.”
Tankhead Thai Boxing
“You will learn quickly here and get a great workout that hits everything from cardio and strength to proper technique and culture.”
T-Kick Martial Arts Academy
“The TKD classes provide a lot of variety, learning technique in forms, improving speed in sparring, practicing self-defense against grabs and knife attacks, and getting to learn how to use weapons like chucks, swords, and bo staff.”
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International Taekwon-Do Academy
“Master Vic and his students are incredibly welcoming and supportive.”
Circuit Three Fitness / Kickboxing
“The trainers are knowledgeable and help you to achieve your fitness goals whether that is just staying active or actually pushing yourself past your limits and expanding your physical health.”
Why these companies made our list
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