Switzerland
Sep
27
Saturday
Grand Chasseral Trail Series
The Grand Chasseral Trail Series will take place in Tramelan on Saturday 27 September 2025. You can run between 25 and 31 kilometers. Visit the organization's website for the most recent information.
Always double-check with the organizer's website – things can change, and we might have sprinted past a few details!
31 km
25 km
25.6 Km
Trail de 7 Lieues
