Fudai, Japan · Sunday, November 1, 2026
Fixed Distance 50K
Sea Alps Trail Journey
14 days to go
49 km Distance
2,031 m Climbing
5.5 Grit · Challenging
What the course asks
Climbing rate 41 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Field size ~233 Large. Rarely out of sight of another runner.
DUV results for the 2025 edition (49km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, November
Daytime high 10°C
Night low 5°C
Rainfall Mostly dry
Daylight 10 h 31 m of light
Regional 2001-2020 average for November — NASA POWER, grid elevation 265 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 49km | 233 | Satoru Suga · 04:34:03 | Natsumi Yamauchi · 05:46:46 |
| 2024 | 49km | 161 | Takuya Wakaoka · 04:59:23 | Natsumi Yamauchi · 06:01:43 |
The field grew 45% between 2024 (161) and 2025 (233). 26% of the 2025 field were women.
DUV results for the 2025 edition (49km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- terrain This is a mountain course. Poles are highly recommended for the sustained climbs.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 49 km of trail with 2,031 m of ascent.
- Trail Running Shoes 41 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 49 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 2,031 m of ascent to walk up.
- GPS Watches Battery life first — a 49 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.