Up & Downhill is the 11.1km trail race at World Masters Mountain Running Championships 2027 (Klosters, Switzerland). The race starts on June 12, 2027. It starts and finishes in Klosters.
Short race: go all out.
The course climbs 530m+. With 48m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 35% of the distance is uphill, 33% downhill and 32% flat. The longest climb runs 6.8km at an average 6.5% grade (441m of vertical). The longest descent runs 4.2km at an average 9.2% grade (391m of vertical). The steepest climb averages 20.5% over 0.3km. The steepest descent drops at 19.5% over 0.6km. Surface: 77% trail, 13% road, and 8% smooth. Flat-equivalent effort: 16.0 FlatKM.
Poles bring little benefit here: only about 1.0km of pole-friendly terrain.
Quad damage risk is low (index 8 of 100): a few descents worth noting, none of them decisive.
On race day, start temperatures have historically ranged from 10°C to 21°C, with around 15°C at the highest point; the chance of precipitation is about 69%. Heavy rain of 10.0mm or more falls on about 19% of days around this date.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Up & Downhill.
Other distances of World Masters Mountain Running Championships 2027Long Distance (32.7km)
Other editions of Up & Downhill2026
Official websitewww.wmmrc2027-klosters.com