Judo™ Winter Nationals ®

The #1 tournament in the nation

Established 2006

Registration Closes in:

16th Anniversary of Grassroots Judo Winter Nationals Registration is Now Open

Dec 8th to 10th, 2023

Registration is managed through Smoothcomp.

Please click on the link below for Tournament Registration 

Coaches Registration can be accessed here:

The tournament information packet can be downloaded from the registration site.

Registration Schedule

Early Shiai Entry: September 30, 2023
Regular Shiai Entry: November 30, 2023
Late Shiai Entry: December 5, 2023

Early Kata Entry: September 30, 2023
Regular Kata Entry: November 30, 2023
Late Kata Entry: December 5, 2023

The registration cut-off date and time is 11:59pm, Tuesday 5th of December 2023. 

Visit the media page to see images from the 2022 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