RunningSwitzerlandOfficial / organizer site
Eiger Ultra Trail 2027 - Trail Surprise
Thu, 15 July 2027
Grindelwald, Switzerland
Registration closes: 15 Oct 2026
Eiger Ultra Trail 2027 Trail Surprise - First come, first served registration (with UTMB Index holders priority from October 13, 2026). Race dates July 15-19, 2027.
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