Poland
The Zielonka Challenge will take place in Owińska on Saturday 14 June 2025. You can run between 10 and 100 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!
100 km
Ultramaraton 100+ Km
75 km
Ultramaraton 75+ Km
42 km
Maraton 42+ Km
21 km
Półmaraton 21+ Km
10 km
Ćwierćmaraton 10+ Km
Nordic Walking 10+ Km
Nordic Walking 21+ Km
