UTMB
UTMB is the 174 km Mont-Blanc loop from Chamonix, a 100M final with 9,900 meters of climbing, major crowds, and a full alpine night out for the field.
Who won the 2026 UTMB?
The organizer's completed 2026 UTMB classification lists Ben Dhiman first overall in 18:16:29 and Blandine L Hirondel as the first woman, 26th overall, in 21:54:49. The classification remained unchanged on the next scheduled review after the course closed.
View 2026 results and finisher detailsQuick facts
- Flagship 100M final of the UTMB World Series Finals in Chamonix.
- 174 km course with about 9,900 meters of climbing.
- Entry uses Running Stones, a valid UTMB Index, and the Mont-Blanc registration process.
- Mountain-weather gear and overnight pacing are central to the full-loop experience.
About the UTMB
UTMB is the flagship race of the Mont-Blanc week and one of trail running's highest-demand starts. The full loop around Mont Blanc gives runners an elite destination trail event with major crowds, strict entry requirements, and a long alpine night.
Course
The route loops around Mont Blanc from Chamonix, crossing high alpine terrain in France, Italy, and Switzerland before returning to town. The race lists 174 km, 9,900 meters of climbing, and a 46 hour 45 minute cutoff.
Race-day weather
Late August can bring warm valley miles, cold nights, rain, wind, or snow at altitude. Runners need mountain-weather gear and pacing discipline because conditions can change repeatedly across the full loop.
Past UTMB dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Friday, August 28, 2026 | Completed | Open results |
| 2025 | Friday, August 29, 2025 | Completed | Open results |
| 2024 | Friday, August 30, 2024 | Completed | Open results |
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UTMB FAQ
When is the UTMB?
We're waiting for the finalized date for the 2027 UTMB. The most recent running was on Friday, August 28, 2026.
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Send us confirmed dates, registration links, results, live tracking, or course changes. Include the source link so runners can reach the right information.