ETC is a 15.0 km trail race of HOKA UTMB Mont-Blanc 2025 in Chamonix, France. The race starts on August 31, 2025. The course climbs 700 m+ and descends 1193 m−, between a low point of 1222 m and a high point of 1966 m. By gradient, 44% of the distance is uphill, 53% downhill and 3% flat. The longest climb runs 2.6 km at an average 21.6% grade (559 m of vertical). The longest descent runs 3.3 km at 17.0% (561 m of vertical). Surface: 70% trail, 14% technical, and 13% road. Flat-equivalent effort: 26.2 FlatKM.
1,283 finishers completed the 2025 edition. Men's winner: Alain Santamaria Blanco (Spain) in 1:21:07. Women's winner: Madalina Florea (Romania) in 1:30:55.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for ETC.
Other distances of HOKA UTMB Mont-Blanc 2025UTMB (176 km)·TDS (153 km)·CCC (101 km)·OCC (57.0 km)·MCC (40.0 km)·YCC (15.0 km)
Other editions of ETC2026
Official websitemontblanc.utmb.world