Race Entry

1. Japan Triathlon Union - information on official JTU races. Calendars of 2022 Age Group Ranking Races at three distances are available here (scroll down for a list of races and links to entry websites): Sprint, Standard, and Long Distance

2. Samurai Sports - English race calendar and race information

3. Lawson Entry (Japanese) - the main race entry site for JTU races

4. Sports Entry (Japanese) - triathlon race calendar and race entry for some of the races in Japan

5. Sports Entry (English) - limited race calendar for races which have entry in English

6. MSPO Entry - race entry site for some races, especially those which don't figure in JTU points ranking

6. KFC - organises triathlons, trail running, OWS races, etc.

7. Tokyo Island Series - includes Niijima and Oshima OD triathlon races

TiT Calendar

If you have any dates to add, please send them to

Colour code: yellow = OD; dark orange = MD, LD

Race Reviews and Reports

Members' Reports - we are compiling race reports from around Japan. If you have a report you would like to share, please send it to Mark.

Racecheck - reviews and reports of races from the multisport community; TiT members are encourage to submit reports to help build this resource which was set up by former TiT member, Alex Tanti.

Blogs - there are many race reports on members' blogs

Race Preparation

1. Checklists - here are some triathlon race checklists: Race Weekend Trip (OD); Race Day (OD)

Major race organisers: