SanOK Biega is a mountain-running weekend held in Sanok each September, organized by the SanOK Biega Association. The races begin and end within one of Europe's largest open-air museums, providing a unique starting point before participants tackle mountain trails. The series accommodates a range of abilities, from novice trail runners to seasoned ultra runners, offering distances from 5 km to 255 km.
The event features Piątka Gajowego (5 km) and Pierwsza Dycha (10 km) to start. The distances then increase to Orli (25 km), Slonny (50 km), Dzika Setka (100 km), and Ultra Wyrypa (255 km). Pierwsza Dycha is a National League race, earning ITRA Mountain Level 4 points, marking it as a serious mountain race. This is the event's eighth edition, with Podkarpackie Przestrzeń Otwarta as a partner.