Sarah Vieuille and Remy Brassac won the 2026 TDS in Chamonix, France. Vieuille led the women's race, finishing in 22:08. Brassac won the men's race in 19:28.

The 148-kilometer course featured 9,300 meters of climbing. Vieuille held off Alice Meignié, finishing second in 22:30. Brassac led early, overcoming challenges to win. Read more trail coverage.

The race, known as Sur les Traces des Ducs de Savoie, started at night. Conditions included rain and fog. Vieuille's win marked her first race in Chamonix. Related: Leadville 100 and Skyrunner Races Highlight August 2026.

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