
Switzerland · Valais (Oberwallis)
Swiss Alps 100 Endurance Run
Distance
50 km
Date
August 8, 2026
Entry fee
209 CHF
€ / km
€4.56
High-alpine endurance in Valais: long climbs, thin air, and true big-mountain mileage.
Elevation and Terrain
Total Meters
3210m
D+/KM
64.2m/km
For context, the Tor des Géants 330 loop has 73 D+/km.
Avg Uphill Gradient
14.1%
Avg Downhill Gradient
-13.4%
Uphill gradient distribution
Route Profile
Analysed 2026-05-02Terrain breakdown
Terrain
Climbs
Top climbs
9.7 km · 1443 m gain
starts km 0 · avg 14.9% · max 43.9%
6.7 km · 574 m gain
starts km 32 · avg 8.6% · max 43.4%
0.6 km · 193 m gain
starts km 21 · avg 30.7% · max 49.1%
Top descents
4.7 km · 736 m drop
starts km 16 · avg -15.7% · max -52.8%
7.1 km · 419 m drop
starts km 25 · avg -5.9% · max -34.8%
2.9 km · 403 m drop
starts km 40 · avg -14.0% · max -36.1%
Race files
Logistics
Nearest airport
Zürich (ZRH) / Milan Malpensa (MXP)
Notes
Start: ~2.5–4 hrs depending on start village and route / Public transport: train to Visp/Brig + bus/taxi last-mile / Accommodation: limited in small villages; book early
FAR
It’ll possibly take 3+ hours from the closest large airport to arrive. Plan your adventure accordingly, take an extra day for those after-race beers or Curranz.

