UTMB 2020 trails
Click on a trail to view its statistics, map and profile.
UTMB 2020
France > Auvergne-Rhône-Alpes > Upper Savoy > Chamonix-Mont-Blanc > Les Bossons
Total: 171.3km
Distance: 168.1 Km • Elevation gain: 10,526 m • Maximum elevation: 2,574 m