France
The Ultra 01 will take place in Oyonnax from Friday 18 July 2025 to Sunday 20 July 2025. You can run between 10 and 170 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!
170 km
170km
100 km
100km
65 km
45 km
25 km
13 km
10 km
