The Arena is the leading Combat Sports gym in San Diego and the largest Martial Arts school in the U.S. We offer Beginners to Pros more than 150 weekly classes in 12 different Combat Sports, Martial Arts and Strength & Conditioning programs. Classes include Boxing, Filipino Martial Arts, Grappling, Jiu Jitsu, Judo, Kickboxing, MMA, Muay Thai, S &C and Wrestling. This is the biggest program of its kind in the United States and our high caliber training is known worldwide. Founded in 1949 as the Southern California School of Judo and Jujitsu, we’re the oldest continually operating Martial Arts school in North America. In 2006, we moved to our current San Diego location and updated our name to match our mission to build the best Combat Sports gym in the world.