Les Sentiers des Valdotains is the 120km ultra trail at Monte Rosa WalserWaeg by UTMB 2027 (Aosta, Italy). The race starts on July 16, 2027 at 06:30 PM. It starts in Aosta. The time limit is 36 h.
Hold a steady pace and save energy for every section.
The course climbs 8200m+. With 68m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 44% of the distance is uphill, 42% downhill and 14% flat. The longest climb runs 14.7km at an average 12.1% grade (1783m of vertical). The longest descent runs 14.3km at an average 11.5% grade (1647m of vertical). The steepest climb averages 48.3% over 0.6km. The steepest descent drops at 41.3% over 0.5km. Surface: 70% trail, 13% technical, 10% road, and 6% smooth. Flat-equivalent effort: 195.5 FlatKM.
The course also passes close to Monte Chatelard (1844m).
Trekking poles are strongly recommended: about 21.7km of the course is steep enough for them to pay off.
Quad damage risk is high (index 66 of 100), with 43% of the load in the first half: 5 critical descents, the last of them run on already damaged legs. Downhill-specific preparation and a controlled early pace pay off here.
On race day, start temperatures have historically ranged from 21°C to 29°C, with around 11°C at the highest point; the chance of precipitation is about 38%. Heavy rain of 10.0mm or more falls on about 7% of days around this date.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Les Sentiers des Valdotains.
Other distances of Monte Rosa WalserWaeg by UTMB 2027Monte Rosa Trail (82.0km)·Walserwaeg Trail (43.0km)·Gressoney Lys Trail (35.0km)·Regina Margherita Trail (15.0km)
Other editions of Les Sentiers des Valdotains2026·2025
Official websitemrww.utmb.world