About This Race
The Monte Rosa Walserwaeg by UTMB 15K follows a historic trail network threading through the high valleys of the Aosta Valley, where German-speaking Walser communities settled centuries ago. At 15 kilometers, this course occupies the middle ground in the UTMB World Series event weekend, offering a genuine alpine experience without the multi-hour commitment of the longer distances. The route travels through terrain shaped by both glacial geology and traditional mountain agriculture, passing stone hamlets and alpine pastures beneath the Monte Rosa massif. Runners encounter mixed surfaces throughout the course, transitioning between maintained trail sections, rougher mountain paths, and brief passages through village centers. The route's technical character reflects its alpine setting, though the distance remains accessible to runners comfortable with sustained effort on varied terrain. The July timing typically provides stable summer conditions in this high-elevation environment, though weather in the Italian Alps can shift quickly. As part of the UTMB World Series, the event brings international race organization standards to the Walser valleys, including well-marked courses and staffed aid stations. The race weekend draws runners from across Europe and beyond, creating a focused atmosphere in the small mountain communities along the route.
The 15K route follows the historic Walserwaeg trail system, a network of paths once used by traders and herders moving between high valleys. Runners travel through multiple Walser settlements, small communities preserving architectural and linguistic traditions distinct from surrounding Italian-speaking areas. The course terrain alternates between maintained trail sections suitable for steady running and more technical passages requiring careful footing on rocky or root-crossed surfaces.
Elevation Profile
The course gains 1,143m over 15km, with the steepest section between km 16–km 16.
Course Map
Route shown is approximate and for illustration purposes.
Practical Info
July in the Aosta Valley typically brings warm, stable summer weather, though afternoon thunderstorms are possible in alpine areas. Temperatures vary significantly with elevation.
The race is based in the small mountain communities of the Gressoney valley. Lodging options include local hotels and mountain rifugios, though availability may be limited during the event weekend. Early booking is advisable for this UTMB World Series event.
Best For
Notable Features
The race follows the Walserwaeg, a culturally significant trail network connecting German-speaking communities established in these Italian valleys during medieval migrations. The route passes traditional Walser architecture and traverses landscapes beneath the Monte Rosa massif, the second-highest mountain in the Alps. As a UTMB World Series event, runners experience international-level race organization in a less-traveled corner of the alpine region.