Races
Eiger Ultra Trail
Grindelwald beneath the Eiger. Kleine Scheidegg. Alpine passes and glacier views in the Bernese Oberland.
101 km+16,767 ft-16,767 ft22 hours2,973 ft to 8,501 fttech 7/10Checkpoints per race bookBernese OberlandEiger north face viewsWSER qualifierJulyRunning Stones · 3 stones
Distance101 km
Gain+16,767 ft
Loss-16,767 ft
Altitude2,973 ft to 8,501 ft
Technicality7/10
Air32°F to 70°F
- Start3,393 ft
- High8,501 ft
- Low2,973 ft
- Finish3,393 ft
Geometryderived
Steepest drop2,231 ft-19.1% over 2.2 mi
Night miles12 misunset near 20:00 local
Weather at the cruxderived
At hour 8 of race, feels like 28 C (77 F). 40 percent chance of rain.Sample of 7 race days, medium confidence.At hour 8 of race, apparent temperature P90 is 28 C / 82 F.
The cruxKleine Scheidegg to Eigergletscher high traverse (near mile 41)
Course DNA
The Course
Eiger Ultra Trail runs 101 km through Grindelwald, Switzerland. +16,767 ft gain and -16,767 ft loss. Surfaces skew 75% alpine trail / 20% scree / 5% pasture. Kleine Scheidegg to Eigergletscher high traverse. High point near 8,501 ft. Low near 2,973 ft. July temps run 32°F to 70°F. The course rewards patience early and punishes rushed descents after mile 31.
The Work
Train for 16,767 feet of climbing across 101 km. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 22 hours total means limited margin: rehearse fueling every 45 to 60 minutes and downhill eccentric work weekly. Technicality 7/10. Build a block that simulates the crux near mile 41.
Kit
July in Grindelwald, Switzerland: plan for 32°F to 70°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 22 hours pushes past dark. Poles help on sustained climbs above mile 16. Vest capacity for 2 liters minimum. Shoes matched to 75% alpine trail: lugs for mud, rock plate if the course turns technical after mile 31.
Race Day
Hold effort through mile 16. The field often splits on the first big climb after mile 31. Kleine Scheidegg to Eigergletscher high traverse near mile 41 is where time is won or lost. Walk the steep pinches. Run the flats and gentle downhills. Crew at major aids: socks, calories, ice if hot. Transitions under 5 minutes when possible. Final third is 21 miles of fatigue management. Finish with reserve for the last descent.
Results
Eiger Ultra Trail finish lines.
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Sources (1)
- Qualifier: utmb_stones: https://utmb.world/utmb-world-series