Ultra Running Hub Joetsu City, Niigata Pref., Japan · Sunday, October 11, 2026
Fixed Distance 50K
Echigo Kubikino 50km Ultramarathon
Race completed
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level
Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.
What the course asks
Time limit 9 hours
10:48 min/km average. Firm. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. About average for a 50K. Measured against 1087 races of the same distance. Cut-off calculator →
Field size ~385 Large. Rarely out of sight of another runner.
DUV results for the 2024 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, October
Daylight 11 h 29 m of light
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2024 | 50km | 385 | Youichi Shimada · 03:29:55 | Mami Matsumura · 04:29:37 |
| 2022 | 60km | 372 | Satoshi Fujisawa · 04:14:23 | Miku Honma · 04:29:59 |
| 2016 | 60km | 472 | Takuro Matsuda · 04:22:59 | Sonoka Nakayama · 04:43:15 |
| 2014 | 60km | 462 | Takuya Uesugi · 04:17:45 | Yoko Yamazawa · 04:59:22 |
| 2012 | 50km | 392 | Masahiro Hirose · 03:20:07 | Yoko Yamazawa · 04:03:00 |
| 2010 | 50km | 345 | Masahiro Hirose · 03:24:30 | Yoko Yamazawa · 03:52:55 |
| 2008 | 50km | 350 | Masahiro Hirose · 03:25:40 | Yuki Nose · 03:54:17 |
| 2006 | 50km | 324 | Hirokazu Watanabe · 03:33:18 | Misako Hamaguchi · 03:45:06 |
| 2004 | 50km (Partial) | 30 | Hiroshi Umezawa · 03:35:41 | Misako Hamaguchi · 03:54:48 |
The field has held steady: 372 in 2022, 385 in 2024. 26% of the 2024 field were women.
DUV results for the 2024 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
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail.
- Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 50 km, without the bounce.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.