Survival of the Fittest in 2025, a running event organized in Squamish (Canada) on 10 May. During the 2 races were held event. Trasa 35k (⨦ 33.5 km / + 1 300 m) in class RMT3 with average terrain slope 4% (G4). Trasa 18k (⨦ 17.5 km / + 650 m) in class RMT2 with average terrain slope 4% (G4).