2026 USJA Kosen Nationals (Tournament and Seminars)

Sunday, November 15, 2026 Harrisburg, United States

At a Glance

Divisions

Gi Absolute Kids

Entry

$50 - $80

Description

Welcome to the 2026 USJA Kosen National Championship. The Kosen ruleset is unique and designed to provide an even playing field for Judoka, BJJers, Wrestlers, Sambo fighters etc. to compete together. The Rules can be found at: New Proposed Kosen Judo Rules.pdf and to view an introductory video on the Ruleset, please go here: Introduction to USJA Kosen Rules. Basically single legs/double legs etc. are allowed, guard pulling is allowed, and submissions including chokes, shoulder locks and elbow locks are allowed. You score by taking someone down with control, pinning them, or submitting them.

This year, the Kosen Nationals will consist of:

A seminar on Friday, November 13th, 2026 from 6:30-8:30 (including open mat) by 4th degree Judo black belt and 1st degree BJJ black belt Jordan Stone

A referee seminar by National Referee John Paccione on Saturday, November 14th from 10- noon (with certification available)

A featured Kosen Judo seminar on Saturday November 14th, 2026 from 2-3 pm (kids) and 3:30-5:30 pm (adults) by All-Japan Judo Champion Shinjiro Sasaki

A public meeting of the USJA Board of Directors on Saturday, November 14th, 2026 from 6-7 pm.

The Kosen Nationals tournament (kids and adults) on Sunday November 15th, 2026 beginning at 11 am.

No organizational membership is required for this year's event, although 20% of profits will be donated to the United States Judo Association.

Cost:

Adult seminars & tournament: $80

Kids seminar & tournament: $50

Registering for the tournament here includes registration for the seminars!

For the tournament, Senior men's, women's and master's divisions will be single elimination. An additional open weight men's, women's, and master's division is available for free. Kids and teens divisions will be double elimination. All competitors must wear a white BJJ or Judo gi.

Registrations close on 11/5/26. There will be NO exceptions. Registration changes can be made until 11/6/26. Brackets and start times will be available by late 11/8/26.

Harrisburg Brazilian Jiu Jitsu and Judo East, LLC

3830 Union Deposit Road

Harrisburg, Pennsylvania 17109

Event Details

Format

Other

Registration

Registrations close 11/5/26 (no exceptions); registration changes allowed until 11/6/26.

Schedule

Fri 11/13/2026: seminar & open mat 6:30–8:30 PM; Sat 11/14/2026: referee seminar 10:00–12:00; Kosen seminar kids 2:00–3:00 PM, adults 3:30–5:30 PM; USJA Board meeting 6:00–7:00 PM; Tournament Sun 11/15/2026 beginning at 11:00 AM. Brackets/start times available by late 11/8/26.

Divisions

Senior Men (16+ Years Old)$80
Masters Men (30+ Years Old)$80
Senior Men Open (16+ Years Old)$0
Senior Women (16+ Years Old)$80
Masters Women (30+ Years Old)$80
Senior Women Open (16+ Years Old)$0
Cadet Men (15-17 Years Old)$80
Cadet Women (15-17 Years Old)$80
Senior Boys (12-14 Years Old)$50
Senior Girls (12-14 Years Old)$50
Co-Ed Juniors (9-11 Years Old)$50
Co-Ed Little Warriors (6-8 Years Old)$50
Co-Ed Tiny Ninjas (4-5 years old)$50

Organizer

Harrisburg BJJ and Judo

Frequently Asked Questions

When and where is the 2026 USJA Kosen Nationals tournament?

The tournament is on Sunday November 15th, 2026 beginning at 11 am. It takes place at Harrisburg Brazilian Jiu Jitsu and Judo East, LLC, 3830 Union Deposit Road, Harrisburg, Pennsylvania 17109.

What seminars are included with the event?

A seminar with Jordan Stone is Friday, November 13th, 2026 from 6:30-8:30, including open mat. On Saturday, November 14th, there is a referee seminar from 10-noon, a kids Kosen Judo seminar from 2-3 pm, and an adults Kosen Judo seminar from 3:30-5:30 pm.

How much does registration cost?

Adult seminars and tournament registration costs $80. Kids seminar and tournament registration costs $50.

Does tournament registration include the seminars?

Yes. Registering for the tournament includes registration for the seminars.

What is the registration deadline?

Registrations close on 11/5/26, with no exceptions. Registration changes can be made until 11/6/26.

When will brackets and start times be available?

Brackets and start times will be available by late 11/8/26.

What competition formats will be used?

Senior men's, women's and master's divisions will be single elimination. Kids and teens divisions will be double elimination.

Are open weight divisions available?

Yes. An additional open weight men's, women's, and master's division is available for free.