Ultra Running Hub Arleuf, France · Saturday, November 14, 2026
Fixed Distance 50 mi
Topo Athletic Bibracte Ultra-Trail - La Balade de Dumnorix
59 days away
63 km Distance
2,000 m Climbing
6.2 Grit · Hardcore
What the course asks
Climbing rate 32 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 15 hours
14:17 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 84% of 50 mi races. Measured against 455 races of the same distance. Cut-off calculator →
Typical conditions, November
Daytime high 10°C
Night low 3°C
Rainfall Mostly dry
Daylight 9 h 27 m of light
Regional 2001-2020 average for November — NASA POWER, grid elevation 298 m. Not a forecast.
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 63 km of trail with 2,000 m of ascent.
- Trail Running Shoes32 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition63 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles2,000 m of ascent to walk up.
- HeadlampsA 15 h limit puts you out there after dark.
Course Notes
vous découvrirez les mystères de la montagne morvandelle au cœur de l'automne, entre forêts profondes, bocages préservés, chemins antiques et vestiges gallo-romains, en tirant profit d'un réseau exceptionnellement dense de chemins ruraux.
Similar races
Other 50 mi trail ultras, closest in distance first.