An alpine marathon crossing glaciers, ancient passes, and mountain lakes from Lenk to Crans-Montana
Other trail races within 78 miles
A 42km alpine marathon from Lenk to Crans-Montana through the glaciated terrain of the Wildhorn massif. The route passes the spectacular Simmenfälle waterfalls and artisanal alpine pastures before ascending past Iffigensee (2,076m) and the Wildhorn hut (2,303m) at the foot of the glacier. The crossing of Schnidejoch Pass (2,756m) — an ancient mountain pass and archaeological site — offers views of three named glaciers before a descent through Lake Téné and Lake Tseuzier to the Bisse du Ro finish in Crans-Montana. Earns 2 UTMB Running Stones.
Some ultra experience recommended
Crans-Montana, Valais, SwitzerlandSeptember 11, 2026
| Location | km | Elevation |
|---|---|---|
Lenk Start | 0.0 | 1,065 m |
Simmenfälle Checkpoint | 7.6 | 1,389 m |
Langermatte Checkpoint | 10.7 | 1,837 m |
Iffigenalp Aid Station | 13.6 | 1,567 m |
Iffigensee Checkpoint | 17.6 | 2,081 m |
Wildhorn Aid Station | 20.7 | 2,257 m |
Schnidejoch Checkpoint | 22.8 | 2,718 m |
Tseuzier Aid Station | 30.4 | 1,779 m |
Bisse du Ro Checkpoint | 36.5 | 1,603 m |
Crans-Montana Finish | 41.6 | 1,498 m |
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Schnidejoch Pass reaches 2,756m; course spends significant time above 2,000m
Glacier terrain and exposed ridgeline weather can change rapidly in September
No required gear specified
No recommended gear specified
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