70km through the rugged mountain heart of Yamanashi Prefecture with Mt. Fuji in view
Other trail races within 141 miles
A 70.2km loop course through the mountains of Yamanashi Prefecture, covering the latter portion of the FUJI100mi route. Named 'KAI' after the historical name for Yamanashi ('Kai no Kuni'), the race starts and finishes at Fuji Hokuroku Park GX Stadium in Fujiyoshida. After an urban and satoyama opening section, the course attacks the demanding mountain chain of Myojin, Kodate, Yamabushi Pass, Ishiwari, and Shakushiyama (1,597m) before descending through Fujiyoshida. The Yamanakako Kirara aid station marks the transition from manageable trail to unrelenting mountain terrain. No crew or private support is permitted for KAI70k participants. An ITRA National League qualifying race.
Some ultra experience recommended
Fujiyoshida, Yamanashi, JapanApril 25, 2026
Mt. Fuji - Kai 70K is a loop trail race in Fujiyoshida, Yamanashi, Japan, held on April 25, 2026. The course covers 70.2 km, climbs 3,421 m, and has a 21h cutoff.
Must meet custom qualifier requirements within the qualification window
Must have completed a qualifying race earning at least 2 ITRA Points within 2 years of the general entry opening date.
This edition has its own course and we haven't mapped it yet. The interactive map, elevation profile and aid stations will appear here once the route is confirmed.
Aid stations for this edition aren't published yet. They'll appear here once the route is confirmed.
No required gear specified
No recommended gear specified
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