Happo, Yamamoto District, Akita Pref., Japan · Sunday, September 13, 2026
Fixed Distance 50K
Hakuba Int. Trail Run Duo
10 days to go
50 km Distance
2,130 m Climbing
5.7 Grit · Challenging
What the course asks
Climbing rate 43 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Field size ~38 Small. Long stretches with nobody in sight.
DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, September
Daylight 12 h 32 m of light
The Aid Station
Course-specific beta from the community
This is a mountain course. Poles are highly recommended for the sustained climbs.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 2,130 m of ascent.
- Trail Running Shoes 43 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 2,130 m of ascent to walk up.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.