Participants
93 34
Competitiveness
Participants
96 23
Competitiveness
Ultra CK Maraton in 2025, a running event organized in Kielce (Poland) on 5 January. During the 2 races were held event. Czarci Oddech (⨦ 15.5 km / + 450 m) in class RMT1 with average terrain slope 3% (G3). Piekielna Pętla (⨦ 51 km / + 1 850 m) in class RMT4 with average terrain slope 4% (G4).