HK20 is the 20.5km trail race at Hochkönig Ultraks 2026 (Maria Alm, Austria). The race starts on June 6, 2026.
Run easy on the first mountain, then go all out on the second.
The course climbs 1020m+. With 50m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 40% of the distance is uphill, 44% downhill and 15% flat. The longest climb runs 7.5km at an average 6.5% grade (488m of vertical). The longest descent runs 5.8km at an average 9.2% grade (530m of vertical). The steepest climb averages 21.4% over 1.1km. The steepest descent drops at 19.0% over 0.6km. Surface: 60% trail, 26% smooth, 7% technical, and 7% road. Flat-equivalent effort: 27.9 FlatKM.
The highest summit on the course is Natrun (1253m), 3.3km from the start.
Poles bring little benefit here: only about 3.9km of pole-friendly terrain.
Quad damage risk is low (index 16 of 100): a few descents worth noting, none of them decisive.
On race day, start temperatures have historically ranged from 10°C to 23°C, with around 17°C at the highest point; the chance of precipitation is about 73%. Heavy rain of 10.0mm or more falls on about 18% of days around this date.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for HK20.
Other distances of Hochkönig Ultraks 2026HK70 (71.5km)·HK48 (48.0km)·HK30 EXTREME (34.0km)·HK30 PANORAMA (32.4km)·HK SPRINT (10.0km)·HK VERTICAL RACE (5.9km)
Other editions of HK202025
Official websitewww.hochkoenig-ultraks.at/en