Eiger Trail Surprise
The Trail Surprise runs on the Friday of race weekend from the Grindelwald event area, on a route whose profile changes every year and is published only three days before the start.
- Location
- Grindelwald
- Distance
- 10K+
- Date
- Typical Weather
- Alpine summer, 8-22°C (46-72°F), variable mountain conditions
- Website
- Visit Website →