Ultra Running Hub Koinobori Park, Shimanto, Kochi Pref., Japan · Sunday, October 18, 2026
Fixed Distance 50K
River Shimanto 60km
Race day
60 km Distance
400 m Climbing
3.6 Grit · Challenging
What the course asks
Climbing rate 7 m / km
Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Field size ~410 Large. Rarely out of sight of another runner.
DUV results for the 2025 edition (60km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, October
Daylight 11 h 13 m of light
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 60km | 410 | Shunsuke Takahashi · 04:07:45 | Asuka Saito · 05:19:48 |
| 2024 | 60km | 537 | Kenji Nonaka · 04:04:15 | Naomi Aihara · 05:02:29 |
| 2023 | 60km | 462 | Ryo Obayashi · 03:51:01 | Yukiko Kasano · 04:50:01 |
| 2019 | 60km | 524 | Yuki Aono · 03:57:26 | Fumie Kitamura · 05:04:30 |
| 2018 | 60km | 508 | Yuki Aono · 03:57:47 | Yuko Muto · 05:17:25 |
| 2017 | 60km | 511 | Yuki Aono · 03:54:52 | Chika Tawara · 04:07:13 |
| 2016 | 60km | 502 | Yuki Aono · 03:58:14 | Chika Wake · 05:00:17 |
| 2015 | 60km | 467 | Yuki Aono · 04:03:08 | Kayo Tanida · 05:26:21 |
| 2014 | 60km | 470 | Yuki Aono · 04:06:39 | Kayo Tanida · 05:20:29 |
| 2013 | 60km | 414 | Fumio Yamane · 04:06:51 | Yuko Kikui · 05:12:10 |
The field shrank 24% between 2024 (537) and 2025 (410). 32% of the 2025 field were women.
DUV results for the 2025 edition (60km) — 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 fast & flat course. Expect fast, runnable sections where rhythm is key.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 60 km of trail with 400 m of ascent.
- Trail Running Shoes 60 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 60 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 60 km, without the bounce.
- GPS Watches Battery life first — a 60 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.