Trail Surprise is a 15.0 km trail race of Eiger Ultra Trail by UTMB 2025 in Grindelwald, Switzerland. The race starts on July 15, 2025. The course climbs 800 m+ and descends 812 m−, between a low point of 1036 m and a high point of 1646 m. By gradient, 49% of the distance is uphill, 32% downhill and 19% flat. The longest climb runs 5.5 km at an average 9.1% grade (501 m of vertical). The longest descent runs 1.9 km at 20.8% (403 m of vertical). Surface: 56% trail, 31% road, and 13% smooth. Flat-equivalent effort: 20.0 FlatKM.
206 finishers completed the 2025 edition. Men's winner: Raoul Raus (Belgium) in 1:12:19. Women's winner: Deborah Chiarello (Switzerland) in 1:19:23.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Trail Surprise.
Other distances of Eiger Ultra Trail by UTMB 2025E250 - UNESCO Trail (250 km)·E101 Ultra Trail (69.0 km)·E51 Panorama Trail (41.0 km)·E35 - North Face Trail (33.0 km)·E16 - Pleasure Trail (16.0 km)
Official websiteeiger.utmb.world
