
Switzerland · Valais (Oberwallis)
Swiss Alps 100 Endurance Run
Distance
160 km
Date
August 7, 2026
Entry fee
299 CHF
€ / km
€2.04
High-alpine endurance in Valais: long climbs, thin air, and true big-mountain mileage.
Elevation and Terrain
Total Meters
10150m
D+/KM
63.44m/km
For context, the Tor des Géants 330 loop has 73 D+/km.
Avg Uphill Gradient
14.5%
Avg Downhill Gradient
-13.6%
Uphill gradient distribution
Route Profile
Analysed 2026-05-02Terrain breakdown
Terrain
Climbs
Top climbs
7.3 km · 1226 m gain
starts km 20 · avg 16.8% · max 47.3%
8.1 km · 1162 m gain
starts km 0 · avg 14.3% · max 39.9%
6.3 km · 1139 m gain
starts km 103 · avg 18.0% · max 50.3%
Top descents
9.9 km · 1398 m drop
starts km 132 · avg -14.1% · max -47.3%
7.3 km · 1147 m drop
starts km 96 · avg -15.8% · max -36.5%
4.6 km · 734 m drop
starts km 53 · avg -16.0% · max -52.9%
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.

