About Us

This premier event is held each December in the sunny Southern California area outside of Los Angeles. Originally created by Goltz Judo, the event is hosted by Nanka Yudanshkai, and is endorsed by the USJA / USJF Grassroots Judo™ alliance. You can expect to see 800+ competitors from all over the country as well as different parts of the world such as Europe, Asia, South America, even a team from Tahiti! In addition to the national tournament for all age groups and skill levels, clinics are held on coaching, refereeing, kata, and anything pertaining to the study of judo.

Judo celebrities such as Ronda Rousey, Kayla Harrison, Jason Morris Israel Hernandez, Jimmy Pedro, Ugo Legrand, HeeTae Hwang, Gene LeBell, Jim Bregman, Hayward Nishioka, Jin Iizumi, Hal Sharp, and many more are often on hand as competitors or coaches to provide insights, sign books, autographs, take selfies, and more. There are many off site weigh-in locations making it very convenient to registered.

Kayla Harrison and Ronda Rousey, 2007

Nanka Judo Yudanshakai


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