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UTMB Mont-Blanc
September 1, 2023 @ 9:00 am – 11:30 pm PDT
The ultimate trail running event, uniting trail runners from around the world, the UTMB Mont-Blanc, Finals of the UTMB World Series, brings together in Chamonix the world’s top elites, as well as more than 10,000 passionate runners to participate in one of the eight races of the UTMB Mont-Blanc.