100 Miles Of Istria 2021

100 Miles Of Istria in 2021, a running event organized in Umag (Croatia) from 10 / 12 September. During the 5 races were held event. Red (⨦ 165.5 km / + 7 050 m) in class RMT8 with average terrain slope 4% (G4). Blue (⨦ 126.5 km / + 5 450 m) in class RMT7 with average terrain slope 4% (G4). Green (⨦ 67 km / + 2 650 m) in class RMT5 with average terrain slope 4% (G4). Yellow (⨦ 41 km / + 1 200 m) in class RMT3 with average terrain slope 3% (G3). White (⨦ 20.5 km / + 250 m) in class RMT2 with average terrain slope 1% (G1).