Saturday, July 18, 2026 Riouperoux, FRA

Trail 50k

Ut4M 50 Belledonne

36 days away

48km Distance

29,323,200m Elevation

10 Grit Score

Elite/Extreme Level

Vertical Intensity 610900 D+/km

Flat Hilly Mtn

Extreme verticality. This is a technical mountain course with sustained steep grades.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a vertical course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

OPENFREE MAP (LIBRE)

départ de Rioupéroux, arrivée à Saint-Nazaire-les-Eymes