61.5km is the 61.5km ultra trail at Kočevsko Outdoor Festival 2026 (Jezero Kočevje, Slovenia). The race starts on May 30, 2026.
Run easy on the first mountain, then go all out on the second.
The course climbs 1916m+. With 31m/km of climbing, this is a rolling, mostly runnable course. By gradient, 33% of the distance is uphill, 32% downhill and 36% flat. The longest climb runs 4.8km at an average 8.0% grade (384m of vertical). The longest descent runs 2.4km at an average 10.5% grade (249m of vertical). The steepest climb averages 21.8% over 0.3km. The steepest descent drops at 26.3% over 0.2km. Surface: 64% trail, 16% smooth, 15% technical, and 5% road. Flat-equivalent effort: 78.5 FlatKM.
The highest summit on the course is Veliki Rog (1099m), 32.4km from the start. Other named summits along the route: Lovski vrh (830m). The course also passes close to Pugled (698m).
Poles bring little benefit here: only about 3.2km of pole-friendly terrain.
Quad damage risk is moderate (index 27 of 100), with 29% of the load in the first half: 0 descents deserve a plan and a couple of downhill sessions before race day.
On race day, start temperatures have historically ranged from 12°C to 22°C, with around 16°C at the highest point; the chance of precipitation is about 47%. Heavy rain of 10.0mm or more falls on about 10% of days around this date.
80 finishers completed the 2026 edition. Men's winner: Erik Mavser (Slovenia) in 5:35:02. Women's winner: Sara Mišmaš (Slovenia) in 7:59:38.
This page has the full results and splits, a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for 61.5km.
Other distances of Kočevsko Outdoor Festival 202631.7km (31.7km)·14km (14.1km)·10km (10.2km)·Vertical (2.6km)
Other editions of 61.5km2027·2025
Official websitekocevsko-outdoor.si/en