Race calendar · Ibaraki, Japan
Running races in Ibaraki
4 upcoming races across Ibaraki. Every date checked against the organiser. Your next race, seen from above.
Tsukuba, Ibaraki · seen from above
4 upcoming races across Ibaraki. Every date checked against the organiser. Your next race, seen from above.
Named for wandering lord Mito Komon's journeys
Flat science-city course finishing near Mt. Tsukuba views
One of Japan's oldest marathons — 73 years running
Lakeside marathon winding through Japanese countryside charm
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.