42km is a 42.0 km trail race of Trail na Mljetu 2026 in Nacionalni park Mljet, Croatia. The race starts on May 2, 2026. The course climbs 1400 m+ and descends 1435 m−, between a low point of -4 m and a high point of 379 m. By gradient, 27% of the distance is uphill, 34% downhill and 39% flat. The longest climb runs 2.4 km at an average 7.5% grade (176 m of vertical). The longest descent runs 3.1 km at 6.9% (211 m of vertical). Surface: 67% trail, 19% road, 6% technical, and 6% smooth. Flat-equivalent effort: 56.4 FlatKM.
10 finishers completed the 2026 edition. Men's winner: Ansbert De Cleene (Belgium) in 4:30:55. Women's winner: Adela Iuliana Popescu (Spain) in 5:15:31.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for 42km.
Other distances of Trail na Mljetu 202623.4km (23.4 km)·13km (13.0 km)
Other editions of 42km2025
Official websitethegreatrefresh.com/mljet-trail
