Congratulations to Sensei Joey, MTAA National Welterweight Champ

Read the whole story and see the amazing photos by Sensei Steve Brazill here.

Interested in Muay Thai in Riverside, Corona or the Inland Empire? Check out our Muay Thai schedule.

Gun Self Defense

Sensei Art Akins, USKO karate black belt for over 35 year and firearms instructor, taught our 12 noon karate class some basic gun self defense.

Interested in Karate in Riverside, Corona or the Inland Empire? Check out our Adults Karate schedule.

Purple & Green Belt Karate Champs Every Tuesday & Thursday at 4:15

Interested in Karate in Riverside, Corona or the Inland Empire? Check out our Kids Karate schedule.

M-One Grand Muay Thai Promo Video

See Sensei Joey talk about his upcoming fight on May 16.

Interested in Muay Thai in Riverside, Corona or the Inland Empire? Check out our Muay Thai schedule.

Deep Stretch Class on Fridays

Join USKO Fridays for the Deep Stretch Class at 4:15 p.m. to focus on stretching sore muscles and relaxing your body and mind from the long week. This class is open to all USKO members at no extra charge.

USKO Brazilian Jiu Jitsu students getting ready for BJJ tournament!

Interested in Brazilian Jiu Jitsu in Riverside, Corona or the Inland Empire? Check out our Brazilian Jiu Jitsu schedule.