Ślężański Festiwal Biegowy in 2025, a running event organized in Sobótka (Poland) on 27 September. During the 3 races were held event. Górski Maraton Ślężański (⨦ 43 km / + 1 600 m) in class RMT3 with average terrain slope 4% (G4). Górski Półmaraton Ślężański (⨦ 23 km / + 1 050 m) in class RMT2 with average terrain slope 5% (G5). Ślężańska Dycha (⨦ 10 km / + 450 m) in class RMT1 with average terrain slope 4% (G4).