The Rut Mountain Runs in 2023, a running event organized in Big Sky (USA) from 15 / 17 September. During the 5 races were held event. Trasa 21k (⨦ 21.5 km / + 1 450 m) in class RMT2 with average terrain slope 7% (G7). Trasa 11k (⨦ 10.5 km / + 650 m) in class RMT1 with average terrain slope 6% (G6). VK (⨦ 4.5 km / + 1 100 m) in class RMT1 with average terrain slope 24% (G24). Trasa 28k (⨦ 28 km / + 2 550 m) in class RMT3 with average terrain slope 9% (G9). Trasa 50k (⨦ 48.5 km / + 3 700 m) in class RMT4 with average terrain slope 8% (G8).