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
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.
| Location | km | Elevation |
|---|---|---|
Mt. FUJI GX STADIUM Start | 0.0 | 1,014 m |
K1 Oshino Aid Station | 15.7 | 932 m |
K2 Yamanakako Kirara Aid Station | 25.2 | 984 m |
K3 Nijyumagari Aid Station | 39.7 | 1,144 m |
K4 Fujiyoshida Aid Station | 51.5 | 740 m |
Mt. FUJI GX STADIUM Finish | 70.2 | 1,014 m |
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No required gear specified
No recommended gear specified
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