K3 Ultra 2023

K3 Ultra in 2023, a running event organized in Zlatograd (Bulgaria) on 30 September. During the 5 races were held event. Trasa 40k (⨦ 41 km / + 1 950 m) in class RMT3 with average terrain slope 5% (G5). Trasa 60k (⨦ 64 km / + 3 300 m) in class RMT5 with average terrain slope 5% (G5). Trasa 80k (⨦ 81.5 km / + 4 150 m) in class RMT5 with average terrain slope 5% (G5). Trasa 20k (⨦ 22 km / + 1 050 m) in class RMT2 with average terrain slope 5% (G5). Trasa 10k (⨦ 12 km / + 550 m) in class RMT1 with average terrain slope 4% (G4).