Chamonix, France, will host the UTMB World Series Final from Aug. 24 to 30. The 176-kilometre race features a deep elite field, with over 70 percent of top ultrarunners attending. High-profile matchups include Rachel Entrekin and Courtney Dauwalter.

Defending champion Ruth Croft aims to reclaim her title. Canadian ultrarunners Emilie Mann, Jazmine Lowther, and Geneviève Asselin-Demers are set to compete. Mann recently won the Run Rabbit Run 100-miler, while Lowther finished third at the Madeira Island Ultra-Trail. Read more trail coverage.

The men’s field includes Kilian Jornet, a four-time UTMB winner, and Vincent Bouillard, the 2024 UTMB champion. U.S. runner Jim Walmsley, the 2023 UTMB winner, also enters as a contender. Both Jornet and Walmsley DNF’d at this year’s Western States. Related: Documentary on Race Director Gary Cantrell Premieres During UTMB Week.

This original Runner World brief is based on reporting from Canadian Running. Visit the source for its complete reporting, context and any later corrections.