Germany
Aug
15-17
Fr - Su
O-SEE Challenge
The O-SEE Challenge will take place in Olbersdorfer See from Friday 15 August 2025 to Sunday 17 August 2025. You can run 10 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!
10 km
10 Km Trailrun
Xterra Distanz
37 Km Mountainbike
