Ultra Running Hub Shizuoka Pref., Japan · Sunday, September 27, 2026
Timed Other timed
Akutaga 4-hour endurance in Fujieda
Race completed
not publishedn/a Distance
not publishedn/a Climbing
not publishedn/a Grit
We hold no course length for this race — a timed or backyard event is measured by the clock, not the kilometre — so there is no Grit score to give you.
What the course asks
Field size ~13 Tiny. You will run alone for most of it.
DUV results for the 2025 edition (4h) — ranked runners 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 01 m of light
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 4h | 13 | Atsushi Ishikawa · 50.400 km | Ayumi Sano · 48.600 km |
| 2024 | 4h | 10 | Ryo Yasuda · 54.000 km | Ayumi Sano · 46.800 km |
| 2023 | 4h | 31 | Ryo Yasuda · 77.400 km | Ema Harada · 61.200 km |
| 2022 | 4h | 29 | Toru Somiya · 81.000 km | Mariko Ishimura · 55.800 km |
The field grew 30% between 2024 (10) and 2025 (13). 8% of the 2025 field were women.
DUV results for the 2025 edition (4h) — ranked runners 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 this trail race.
- Trail Running Shoes Cushioning on trail that is still there in the last quarter.
- Race Nutrition Self-supported fuelling between aid stations.
- Hydration Vests Flask capacity without the bounce.
- GPS Watches Battery life first — an ultra outlasts most full-GPS modes.
Similar races
Other trail ultras of the same format.