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Ultramarathons in Japan

2026 and 2027 race calendar. 2 upcoming, updated daily.

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Aichi1Chiba2Ehime2Fukuoka2Fukushima1Hyogo1Ibaraki2Ishikawa1Kagawa1Kagoshima1Kanagawa2Kochi1Kumamoto1Kyoto2Nagano1Nara1Oita2Okayama1Okinawa5Saga1Saitama1Shizuoka3Tochigi1Tokushima1
All 28 regions
Aichi1Chiba2Ehime2Fukuoka2Fukushima1Hyogo1Ibaraki2Ishikawa1Kagawa1Kagoshima1Kanagawa2Kochi1Kumamoto1Kyoto2Nagano1Nara1Oita2Okayama1Okinawa5Saga1Saitama1Shizuoka3Tochigi1Tokushima1Tokyo2Toyama1Yamaguchi1Yamanashi1
2 upcoming
Sport
AllRunning34Trail2Cycling2Triathlon2Obstacle2
Distance
Any5K410K9Half marathon3Marathon3050K1Ultra2Olympic1
December 2026
April 2027

Mt.FUJI100

Fujikawaguchiko, Yamanashi, Japan · Apr 23 to Apr 25, 2027
TrailUltra40K9K6K
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