Switzerland · Valais (Oberwallis)
Swiss Alps 100 Endurance Run
Distance
100 km
Date
August 8, 2026
Entry fee
259 CHF
€ / km
€2.82
High-alpine endurance in Valais: long climbs, thin air, and true big-mountain mileage.
Elevation and Terrain
Total Meters
6250m
D+/KM
62.5m/km
For context, the Tor des Géants 330 loop has 73 D+/km.
Avg Uphill Gradient
14.1%
Avg Downhill Gradient
-13.6%
Uphill gradient distribution
Route Profile
Analysed 2026-05-02Terrain breakdown
Terrain
Climbs
Top climbs
9.7 km · 1444 m gain
starts km 0 · avg 14.9% · max 39.9%
6.2 km · 1139 m gain
starts km 66 · avg 18.4% · max 51.9%
6.8 km · 807 m gain
starts km 52 · avg 12.0% · max 50.3%
Top descents
9.9 km · 1398 m drop
starts km 74 · avg -14.1% · max -47.1%
7.3 km · 1147 m drop
starts km 59 · avg -15.8% · max -37.6%
4.4 km · 734 m drop
starts km 16 · avg -17.0% · max -49.9%
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.
