This Week In Running: September 1, 2025
Briefly

This Week In Running: September 1, 2025
"It's Labor Day weekend in the U.S., and I bet just about everyone could use a day off after this past weekend of racing. The UTMB Mont Blanc festival and its group of races in Chamonix, France, were incredibly exciting and had the world watching. All of those races are highlighted below, as well as a few smaller races happening over the long weekend."
"Weather hit some of the earlier-week UTMB Mont Blanc festival races causing reroutes, and it did for the 108-mile big loop too. Overnight rain and snow added to the already incredible challenge. Before the race, recent rock slides had resulted in a detour that added about two kilometers to the course, and then during the race, weather forced about two kilometers to be taken away to avoid a technical pass that was covered in snow."
"Women Croft won in 22:56, becoming the first woman to win all three of the UTMB World Series Finals races: OCC in 2015, CCC in 2019, and now UTMB. Croft is also among a select group of both Western States 100 and UTMB winners, the former which she won in 2022. Bruyas matched her 2021 finish place with another runner-up finish in 23:28, and Katharina Hartmuth (Germany) matched her 2025 Hardrock 100 finish place with another third-place run in 24:16."
UTMB Mont Blanc festival in Chamonix featured the 108-mile UTMB race alongside several other races over Labor Day weekend. Overnight rain, snow, and prior rock slides forced course changes, adding approximately two kilometers before the race and removing about two kilometers during the race to avoid a snow-covered technical pass. Race winners each earned €20,000 from a total €119,000 prize purse. Ruth Croft won in 22:56, becoming the first woman to win OCC, CCC, and UTMB Finals races. Camille Bruyas finished second in 23:28, Katharina Hartmuth third in 24:16. Lauren Puretz was the first American woman in eighth.
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