Races
Swiss Alps 100K
Fiesch loop. 100.8 km. 6,250 m of climbing. Alpine night into Saturday. The cols come whether you are ready or not.
- Start3,327 ft
- High3,462 ft
- Low3,100 ft
- Finish3,297 ft
- Switzerland at mile 0.0
- Swiss Alps mile 12 at mile 12, cutoff 5 hours
- Swiss Alps mile 25 at mile 25, cutoff 10 hours
- Swiss Alps mile 37 at mile 37, cutoff 15 hours
- Swiss Alps mile 50 at mile 50, cutoff 20 hours
- Finish Switzerland at mile 62, cutoff 25 hours
Geometrycourse math
The cruxHigh cols and long stone descents
Course DNA
The Course
Swiss Alps 100K starts in Fiesch. Official listing: 100.80 km and 6,250 m gain (+20,505 ft). High near 2,490 m (8,169 ft). Low near 1,046 m (3,432 ft). Aid from Kühboden through Binn, Breithorn, Grengiols, and Mühlebach. Suspension bridges and ridgelines above the Aletsch Glacier. Finish cutoff 27 hours after the Friday evening start.
The Work
Train for 6,250 m of climbing across 100 km. Back-to-back alpine long runs. Practice power-hiking steep grades. Rehearse night fueling. Build eccentric strength for the long stone descents.
Kit
August in Valais: cold on the cols, warm in the valley. Mandatory shell. Poles. Headlamp with spare batteries for the Friday night start. Shoes with real lugs for wet alpine rock.
Race Day
Start Friday evening. Pace the early climbs. Crew access opens at later stations. Walk the pinches. Protect the quads on the descents. Finish in Fiesch with reserve for the last climb back into town.
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