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. Lawson Entry (Japanese) - the main race entry site for JTU races
3. Sports Entry (Japanese) - triathlon race calendar and race entry for some of the races in Japan
4. Sports Entry (English) - limited race calendar for races which have entry in English
5. 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
Race & Event Calendars
1. Japan Multisport - comprehensive calendar of races in Japan (in English)
2. Middle and long distance triathlons in Japan, created by Japan Multisport
3. JTU triathlon calendar - a calendar of all JTU races (virtually all domestic triathlons) with links to race websites and entry
3. TRI-X - a calendar of domestic triathlons with links to entry websites (in Japanese)
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; TnT members are encourage to submit reports to help build this resource which was set up by former TnT member, Alex Tanti.
Blogs - there are many race reports on members' blogs