Ultra Running Hub Fukuoka Pref., Japan · Sunday, August 2, 2026
Fixed Distance 50 mi
Kyushu Sekiryou Piston trail
Race completed
63.5 km Distance
3,810 m Climbing
8.9 Grit · Elite / extreme
What the course asks
Climbing rate 60 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 14 hours
13:14 min/km average. Comfortable. Sustained running. Long aid-station stops will cost you. More forgiving than 75% of 50 mi races. Measured against 486 races of the same distance. Cut-off calculator →
Field size ~43 Small. Long stretches with nobody in sight.
DUV results for the 2025 edition (63.5km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, August
Daylight 13 h 59 m of light
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 63.5km | 43 | Hajime Kasagi · 08:16:08 | Mayumi Sakai · 09:54:12 |
| 2022 | 63.5km | 43 | Tomonori Onitsuka · 08:15:09 | Arika Ito · 10:31:47 |
The field has held steady: 43 in 2022, 43 in 2025. 7% of the 2025 field were women.
DUV results for the 2025 edition (63.5km) — 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 64 km of trail with 3,810 m of ascent.
- Trail Running Shoes 60 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 64 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 3,810 m of ascent to walk up.
- Headlamps A 14 h limit puts you out there after dark.
Similar races
Other 50 mi trail ultras, closest in distance first.