Bison Ultra Trail 2023

Bison Ultra Trail in 2023, a running event organized in Supraśl (Poland) from 7 / 8 October. During the 5 races were held event. Trasa 100k (⨦ 104.5 km / + 950 m) in class RMT5 with average terrain slope 1% (G1). Trasa 70k (⨦ 70 km / + 700 m) in class RMT4 with average terrain slope 1% (G1). Trasa 50k (⨦ 52.5 km / + 600 m) in class RMT3 with average terrain slope 1% (G1). Trasa 30k (⨦ 37 km / + 600 m) in class RMT3 with average terrain slope 2% (G2). Trasa 16k (⨦ 18 km / + 250 m) in class RMT1 with average terrain slope 1% (G1).