Judo™ Winter Nationals ®

The #1 tournament in the nation

Established 2006


17th Anniversary of Grassroots Judo Winter Nationals 

Hosted by Nanka Judo Yudanshakai

Dec 6th to 8th, 2024

Registration will be  managed through Smoothcomp.

Registration Schedule

To be Announced

Visit the media page to see images from past Winter Nationals

This premier event is held each December in the sunny Southern California area outside of Los Angeles. Originally founded 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.

Our Sponsors


NANKA Judo Yudanshakai


Registration now Open


To receive updates on the Winter Nationals

Wed Nov 30

Thurs Dec 1

Fri Dec 2