A demanding mountain loop through the beech forests and highlands of Northern Nagano
Other trail races within 165 miles
A 50km mountain loop through the Kijimadaira area featuring 2,500m of elevation gain and three cutoff checkpoints. The course visits the Kayanodaira plateau with its beech forests and pastoral landscapes before returning to the Cupid of Romance Snow Resort. A solid mountain ultra challenge requiring trail experience, earning 3 ITRA points.
Some ultra experience recommended
Kijimadaira, Nagano, JapanJune 06, 2026
Okushinano 50K is a loop trail race in Kijimadaira, Nagano, Japan, held on June 06, 2026. The course covers 50 km, climbs 2,499 m, and has a 10h30m cutoff.


| Location | km | Elevation | Cutoff | Crew |
|---|---|---|---|---|
Start Start | 0.0 | 605 m | — | |
Kayanodaira Water Aid Aid Station | 13.0 | 1,438 m | 4h3:30 PM | Crew |
Kayanodaira 1 Aid Station | 23.0 | 1,541 m | 5h4:30 PM | Crew |
Kayanodaira 2 Aid Station | 33.0 | 1,541 m | 7h6:30 PM | Crew |
Nukasen Aid Station | 47.0 | 535 m | — | |
Finish Finish | 50.0 | 605 m | 10h30m10:00 PM | Crew |
Aid station details for this race are still being filled in. Cutoffs and access rules come from the race’s own published information and can change — check the official race details before planning around them.
Sign in for race-day weather at every station, points of interest, segment-by-segment analysis, pacing, and to save this race to your calendar.
June mountain weather can bring sudden rain. Rain gear is mandatory.
Black bears are present in the course area. A bear bell is mandatory gear.



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