Ultra Running Hub Happo, Yamamoto District, Akita Pref., Japan · Sunday, September 13, 2026
Fixed Distance 50K
Hakuba Int. Trail Run
Race completed
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 ~301 Large. Rarely out of sight of another runner.
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
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 50km | 301 | Masataka Ohata · 05:01:06 | Miho Tsuboi · 05:46:50 |
| 2024 | 50km | 316 | Naoki Satani · 04:48:45 | Yuko Kobayashi · 06:28:40 |
| 2023 | 50km | 313 | Satoru Geya · 04:56:23 | Rika Yonetani · 06:18:35 |
| 2022 | 50km | 260 | Yutaro Yokouchi · 04:34:46 | Narumi Itagaki · 05:42:31 |
| 2018 | 51.4km | 564 | Kei Kikushima · 04:26:28 | Maki Tanaka · 05:50:39 |
| 2017 | 51.4km | 710 | Yunosuke Handa · 04:25:08 | Chiyuki Mochizuki · 05:29:31 |
| 2016 | 53km | 639 | Satoshi Okuyama · 04:59:37 | Takako Takamura · 05:37:56 |
| 2015 | 53km | 624 | Yoshiki Taniguchi · 04:47:42 | Kanako Matsuzawa · 06:18:38 |
| 2014 | 53km | 562 | Koji Tabata · 04:53:25 | Ayako Yuasa · 06:27:01 |
| 2013 | 53km | 556 | Koji Tabata · 04:33:41 | Shona Stephenson · 05:35:44 |
The field shrank 5% between 2024 (316) and 2025 (301). 14% of the 2025 field were women.
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.
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 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.