For most races in Japan, you need to be a JTU member. You must join the JTU branch for your prefecture.
1. Guide on how to update your JTU membership for Lawson Entry - essential if you want to enter JTU races next year.
2. JTU membership 2025 - registration is now open. Click here for Tokyo; and here for Kanagawa.
Almost all JTU information and registration is in Japanese. There is an English site which is rarely updated.
1. Information about 2025 race entry is here [Japanese].
2. TnT members can access a race calendar on our forum. To join TnT, go to the Contact page.
1. Explanation of the JTU ranking system - includes information on ranking races (sprint, Olympic and long distance), how to earn points, and how to qualify for the National Championship races at the end of the season.
2. List of JTU age group ranking races (Sprint distance 2025)
3. List of JTU age group ranking races (Olympic (standard) distance 2025)
4. List of JTU age group ranking races (long distance 2025)
There are National Championships for sprint, standard (Oympic), and long distance races. The sprint and standard distance races are held in MIyazaki in late October or early November. The first Long Distance National Championships will be held in Kin, Okinawa on November 16, 2025.
1st Japan Age Group LD Triathlon Championships - Kin, Okinawa, Nov 16 2025 - information about the race and participation criteria (in Japanese)
Japan Age Group SD & SP Triathlon Championships - Miyazaki on Nov 9, 2025. Information about the races and participation criteria (in Japanese)
