Fiesch, Switzerland · Trail
Official site ↗Swiss Alps 100
A high, steep Swiss mountain race in Fiesch, Valais: a 160 km with 10,150 m of climbing, a 100 km and a 50 km, the two longer ones Western States qualifiers, run each August.
Friday, August 6, 2027 at 7:30 AM GMT+2
Registration is open.
Distances
160 Km
- Distance
- 159.4 km (99 mi)
- Vert gain
- 10,150 m (33,300 ft)
- Start
- 7:30 AM GMT+2
- Cutoff
- 50 hr
WSER 2028 qualifier (sub-50:00)
100 Km
- Distance
- 100.8 km (63 mi)
- Vert gain
- 6,250 m (20,500 ft)
- Start
- 5:30 PM GMT+2
- Cutoff
- 27 hr
WSER 2028 qualifier (sub-25:00)
50 Km
- Distance
- 51.6 km (32 mi)
- Vert gain
- 3,210 m (10,500 ft)
- Start
- Aug 7, 6:00 AM GMT+2
- Cutoff
- 15 hr
| Distance | Vert gain | Start | Cutoff | Notes |
|---|---|---|---|---|
| 159.4 km (99 mi) | 10,150 m (33,300 ft) | 7:30 AM GMT+2 | 50 hr | WSER 2028 qualifier (sub-50:00) |
| 100.8 km (63 mi) | 6,250 m (20,500 ft) | 5:30 PM GMT+2 | 27 hr | WSER 2028 qualifier (sub-25:00) |
| 51.6 km (32 mi) | 3,210 m (10,500 ft) | Aug 76:00 AM GMT+2 | 15 hr | — |
About
Swiss Alps 100 runs out of Fiesch in the Valais, on high trails above the Aletsch Glacier region. Its flagship 160K climbs about 10,150 metres, a 100K climbs about 6,250, and a 50K climbs about 3,210; all three are steep, high, and technical. The weekend also holds a Vertical and a kids' run.
The 160K starts at 7:30 a.m. Friday and holds a 50-hour cutoff; the 100K starts at 5:30 p.m. Friday with a 27-hour cutoff; the 50K starts at 6 a.m. Saturday with 15 hours. The two longer races count as Western States 100 qualifiers, the 160K under 50 hours and the 100K under 25.
Course
High trails above the Aletsch region out of Fiesch. The 160K climbs about 10,150 metres and starts at 7:30 a.m. Friday with a 50-hour cutoff; the 100K climbs about 6,250 metres and starts at 5:30 p.m. Friday with a 27-hour cutoff; the 50K climbs about 3,210 metres and starts at 6 a.m. Saturday with a 15-hour cutoff.
How to register
Registration is on the Swiss Alps 100 site, which sells through raceresult, and the next edition opens as soon as the last one has run. The weekend also holds a Vertical and a kids' run.
Results by year
- 2027August 6, 2027 · upcoming
- 2026August 7, 2026 · completed160 Km: Nick Cusseneers 22:48:37 · Claire Bannwarth 27:52:33; 100 Km: Gilles Roux 12:19:40 · Victoria Buchli 16:21:19; 50 Km: Christoph Frank 5:50:32 · Lore Smeets 6:24:17
- 2025August 8, 2025 · completed160 Km: Yurick Aregger 23:38:44 · Barbara Drews 31:18:59; 100 Km: Stefano Rinaldi 12:10:17 · Meryl Cooper 15:35:48; 50 Km: Frédéric Brun 5:39:55 · Kathrin Götz 6:48:43