UTMB is a 176 km ultra trail of HOKA UTMB Mont-Blanc 2025 in Chamonix, France. The race starts on August 30, 2025. The course climbs 10040 m+ and descends 9973 m−, between a low point of 804 m and a high point of 2521 m. By gradient, 41% of the distance is uphill, 40% downhill and 19% flat. The longest climb runs 6.4 km at an average 14.1% grade (905 m of vertical). The longest descent runs 5.6 km at 16.6% (928 m of vertical). Surface: 70% trail, 16% road, 7% smooth, and 6% technical. Flat-equivalent effort: 257.5 FlatKM.
1,665 finishers completed the 2025 edition. Men's winner: Tom Evans (Great Britain) in 19:18:58. Women's winner: Ruth Croft (New Zealand) in 22:56:23.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for UTMB.
Other distances of HOKA UTMB Mont-Blanc 2025TDS (153 km)·CCC (101 km)·OCC (57.0 km)·MCC (40.0 km)·ETC (15.0 km)·YCC (15.0 km)
Other editions of UTMB2026
Official websitemontblanc.utmb.world