Ultra Running Hub Adelboden, Switzerland · Saturday, September 12, 2026
Fixed Distance 50K
Wildstrubel by UTMB - 50K
Race completed
55 km Distance
3,300 m Climbing
7.7 Grit · Hardcore
What the course asks
Climbing rate 60 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 14 hours
15:16 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 80% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~1,304 Very large. Congested start, busy aid stations.
DUV results for the 2025 edition (53km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, September
Daytime high 14°C
Night low 5°C
Rainfall Mostly dry
Daylight 12 h 48 m of light
Regional 2001-2020 average for September — NASA POWER, grid elevation 1550 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a mountain course. Poles are highly recommended for the sustained climbs.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 55 km of trail with 3,300 m of ascent.
- Trail Running Shoes60 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition55 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles3,300 m of ascent to walk up.
- HeadlampsA 14 h limit puts you out there after dark.
Course Notes
Départ d'Adelboden au cœur du canton de Berne pour rejoindre Crans-Montana dans le canton du Valais.
Similar races
Other 50K trail ultras, closest in distance first.