Istria 100 by UTMB® 42K is a 42.0 km trail race of Istria 100 by UTMB 2025 in Umag, Croatia. The race starts on April 10, 2025. The course climbs 950 m+. Flat-equivalent effort: 49.9 FlatKM.
643 finishers completed the 2025 edition. Men's winner: Sammy Rotich Chelangat (Kenya) in 2:51:46. Women's winner: Martyna Mlynarczyk (Poland) in 3:15:01.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Istria 100 by UTMB® 42K.
Other distances of Istria 100 by UTMB 2025Istria 100 by UTMB® 168K (168 km)·Istria 100 by UTMB® 110K (110 km)·Istria 100 by UTMB® 69K (69.0 km)·Istria 100 by UTMB® 21K (21.0 km)
Official websiteistria.utmb.world
