Race calendar · Tokyo, Japan
Running races in Tokyo
8 upcoming races across Tokyo. Every date checked against the organiser. Your next race, seen from above.
Ome, Tokyo · seen from above
8 upcoming races across Tokyo. Every date checked against the organiser. Your next race, seen from above.
Japan's historic 30K that launched Olympic careers
The seven-majors tour of the world's biggest city
Flat Arakawa riverside course with a 96%+ completion rate
Starts at Horikiri Waterside Park in Katsushika
Flat out-and-back along the Edogawa River floodplain
The overnight trail race that launched Japan's ultra scene
Uses the Tokyo Paralympic marathon course
Loops past ponds and parkland by the Tama River
Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.