Poland
The Warta Challenge Marathon Bieg Mikołajkowy will take place in Biedrusko on Saturday 7 December 2024. You can run between 5 and 42 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!
42 km
Maraton
21 km
Półmaraton
10 km
5 km
