kickboxing school in Boulder

Learn valuable kickboxing skills like holding pads, self-defense tactics, and powerful punches and kicks all while having fun! Come join us at Knockout in Boulder, CO.

9Round - Boulder delivers total body results in a quick, convenient 30 minute workout with a trainer to help you every step of the way!

Tran's Muay Thai Kickboxing's Mission: To POSITIVELY influence our students both MENTALLY and PHYSICALLY to be SUCCESSFUL leaders in every aspect of their lives.

Brazilian Jiu Jitsu, Kickboxing, Muay Thai, CrossFit, and Kids' Martial Arts, all under one roof. Experience this amazing community of students and coaches.