Chamonix-Mont-Blanc, Auvergne-Rhône-Alpes, France
102.8 miles (165.4 km) · 32,566 ft elevation gain · Loop · trail · Race
UTMB Mont-Blanc is a 102.8-mile loop race in Chamonix-Mont-Blanc, Auvergne-Rhône-Alpes, France, gaining 32,566 feet of elevation. The race follows a up-and-over elevation profile. The terrain breaks into 19 distinct sections including 8 significant climbs. The longest climb covers 17.6 miles gaining 6,535 feet at an average 18.5% grade. About 43% of the terrain is runnable, with significant hiking sections. The race opens with a climb and finishes with flat terrain.
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