10km is a 10.2 km trail race of Kočevsko Outdoor Festival 2026 in Jezero Kočevje, Slovenia. The race starts on May 30, 2026. The course climbs 223 m+ and descends 215 m−, between a low point of 472 m and a high point of 643 m. By gradient, 17% of the distance is uphill, 19% downhill and 63% flat. The longest climb runs 1.1 km at an average 10.4% grade (119 m of vertical). The longest descent runs 2.0 km at 8.3% (164 m of vertical). Surface: 46% smooth, 35% trail, and 18% road. Flat-equivalent effort: 11.1 FlatKM.
175 finishers completed the 2026 edition. Men's winner: Jan Kriz (Slovenia) in 43:09. Women's winner: Ingrid Kunstelj (Slovenia) in 1:00:03.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for 10km.
Other distances of Kočevsko Outdoor Festival 202661.5km (61.5 km)·31.7km (31.7 km)·14km (14.1 km)·Vertical (2.6 km)
Other editions of 10km2025
Official websitekocevsko-outdoor.si/en
