Welcome to the 68th Annual Obukan Judo Tournament / Onchi Sensei Memorial Shiai!

This is our 98th year of Obukan Judo!  We are only 2 years away from our 100th year in 2026! Obukan Judo started back in 1926, right here in Portland, Oregon. Jigoro Kano Shihan, the founder of Judo, visited us twice. On his second visit in 1938 Kano Shihan renamed us from Portland Judo to Obukan! Our tournament is a player’s tournament, which means it’s all about you and your Judo!  We are so proud that you are here participating in our tournament and helping us celebrate the legacy of Kodokan Judo and our journey to 100 years! 

Thank you for celebrating 68 years of tournaments and 98 years of Judo with us! 

Bowing to you all, 

Rod Conduragis
Obukan Judo Dojo, President

Contestants must be an amateur athlete and must have a current USJF, USJA, or USA Judo membership and present card. In order to keep the quality of our tournament, we are limiting the number of contestants to 300.

Competition Start

Kata: Friday, March 29, 2024 5:00 PM
Shiai: Saturday, March 30, 2024 9:00 AM
(pre-tournament Taiko Takohachi entertainment at 8:30 AM)

Officials, coaches, and managers meeting:  Saturday, March 29 8:00 AM
Head Referee: 
Mark Hirota
NW Class “R” Referee certification is available. Contact Mark Hirota  – [email protected]


Venue:  PCC Cascade Campus Gym, 600 N. Killingsworth St. Portland, OR 97217


Rod Conduragis or Tanor Morinaka
503-208-3035,  [email protected]

Registration and Payment

  • $55 for 1st shiai division, $40 for 2nd division – max 2 divisions
  • $65 per kata team
  • All registrations must be completed on smoothcomp.com. No walk-up entries will be accepted.
  • Make sure you have a valid USJF, USJA, or USA Judo membership before registering for the shiai or kata competition.

Weigh-In Procedures

  1. Register and pay online on smoothcomp by Thursday March 21, 2024.
  2. Satellite Weigh-In: Satellite weigh-In for all contestants will be held at your home dojo by your dojo leadership between March 21 (Thurs) – 26 (Tues) 2024. All weights will be verified at the tournament site.
  3. Submit Paperwork: Dojo satellite weigh in sites must email contestants complete roster and actual weights no later than midnight, March 26 to obukantournament ONLY.