Sky Trail 50K is a 55.0 km trail race of Julian Alps Trail Run by UTMB 2026 in Žirovnica, Slovenia. The race starts on September 18, 2026 at 08:00 AM. It starts in Žirovnica and finishes in Kranjska Gora. The time limit is 13 h 30 min.
The course climbs 2828 m+. With 51 m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 36% of the distance is uphill, 41% downhill and 22% flat. The longest climb runs 6.3 km at an average 10.5% grade (662 m of vertical). The longest descent runs 5.6 km at 8.4% (471 m of vertical). The steepest climb averages 37.0% over 0.5 km. The steepest descent drops at 38.8% over 0.2 km. Surface: 77% trail and 20% road. Flat-equivalent effort: 75.4 FlatKM.
The highest summit on the course is Golica / Kahlkogel (1834 m), 21.8 km from the start. Other named summits along the route: Krvavka (1784 m). The course also passes close to Kamnitnik (1858 m).
Trekking poles are worth taking: about 5.8 km of the course favours them.
Quad damage risk is moderate (index 32 of 100), with 52% of the load in the first half: 3 descents deserve a plan and a couple of downhill sessions before race day.
Historically on race day, start temperatures range from 7°C to 17°C, around 9°C at the highest point; the chance of precipitation is about 42%. Heavy rain of 10.0 mm or more falls on about 12% of days around this date.
1,138 finishers completed the 2026 edition. Men's winner: Dominik Hohenleitner (Germany) in 4:38:05. Women's winner: Greta García Morán (Spain) in 5:21:20.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Sky Trail 50K.
Other distances of Julian Alps Trail Run by UTMB 2026····
Other editions of Sky Trail 50K
Official websitejulianalps.utmb.world
