Saint-Nabord, France · Saturday, September 12, 2026
Fixed Distance 50 mi
LInfernal Trail Des Vosges - IT70
Race completed
74 km Distance
2,850 m Climbing
8.0 Grit · Hardcore
What the course asks
Climbing rate 39 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 16 hours
12:58 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 75% of 50 mi races. Measured against 455 races of the same distance. Cut-off calculator →
Field size ~559 Large. Rarely out of sight of another runner.
DUV results for the 2025 edition (72km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 74 km of trail with 2,850 m of ascent.
- Trail Running Shoes39 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition74 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles2,850 m of ascent to walk up.
- HeadlampsA 16 h limit puts you out there after dark.
Similar races
Other 50 mi trail ultras, closest in distance first.