Ultra Running Hub Paris, France · Sunday, October 25, 2026
Timed 12 hours
Le Dernier Survivant - Bois de Boulogne
7 days to go
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 ~4 Tiny. You will run alone for most of it.
DUV results for the 2026 edition (6h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, August
Daytime high 25°C
Night low 13°C
Rainfall Mostly dry
Daylight 10 h 20 m of light
Regional 2001-2020 average for August — NASA POWER, grid elevation 92 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 6h | 4 | Yann-Fanch Gueho · 67.500 km | Achia Martin · 45.900 km |
25% of the 2026 field were women.
DUV results for the 2026 edition (6h) — 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.
- Headlamps A 12 h limit puts you out there after dark.
- GPS Watches Battery life first — an ultra outlasts most full-GPS modes.
Similar races
Other trail ultras of the same format.