Walserwaeg Trail is a 43.0 km trail race of Monte Rosa WalserWaeg by UTMB 2025 in Gressoney-Saint-Jean, Italy. The race starts on July 19, 2025.
The course climbs 3100 m+, between a low point of 1372 m and a high point of 2635 m. With 72 m/km of climbing, the course is exceptionally steep, with long hiking-grade sections. By gradient, 35% of the distance is uphill, 43% downhill and 21% flat. The longest climb runs 5.3 km at an average 21.0% grade (1108 m of vertical). The longest descent runs 4.5 km at 25.5% (1142 m of vertical). The steepest climb averages 50.2% over 0.3 km. The steepest descent drops at 64.0% over 0.2 km. Surface: 85% trail and 8% road. Flat-equivalent effort: 66.9 FlatKM.
Trekking poles are strongly recommended: about 7.9 km of the course is steep enough for them to pay off.
Historically on race day, start temperatures range from 13°C to 20°C, around 11°C at the highest point; the chance of precipitation is about 48%.
1,079 finishers completed the 2025 edition. Men's winner: Petter Engdahl (Sweden) in 3:58:43. Women's winner: Martyna Mlynarczyk (Poland) in 5:00:10.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Walserwaeg Trail.
Other distances of Monte Rosa WalserWaeg by UTMB 2025Les Sentiers des Valdotains (122 km)·Monte Rosa Trail (82.0 km)·Regina Margherita Trail (15.2 km)
Other editions of Walserwaeg Trail2026
Official websitemrwwbyutmb.utmb.world
