Arc 25 is a 40.0 km trail race of Arc of Attrition by UTMB 2025 in Coverack, United Kingdom. The race starts on January 24, 2025. The course climbs 783 m+ and descends 797 m−, between a low point of 2 m and a high point of 116 m. By gradient, 17% of the distance is uphill, 28% downhill and 55% flat. The longest climb runs 1.3 km at an average 3.7% grade (48 m of vertical). The longest descent runs 1.2 km at 6.3% (77 m of vertical). Surface: 42% trail, 27% road, 20% smooth, and 10% technical. Flat-equivalent effort: 48.8 FlatKM.
584 finishers completed the 2025 edition. Men's winner: Kristian Jones (Great Britain) in 2:41:25. Women's winner: Sara Alonso (Spain) in 3:04:55.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Arc 25.
Other distances of Arc of Attrition by UTMB 2025Arc 100 (160 km)·Arc 50 (80.0 km)
Other editions of Arc 252026
Official websitearcofattrition.utmb.world
