Fjällmaratonveckan Årefjällen in 2022, a running event organized in Undersåker (Sweden) from 30 / 6 August. During the 3 races were held event. Course 25k (⨦ 25.5 km / + 850 m) in class RMT2 with average terrain slope 3% (G3). Course 100k (⨦ 100 km / + 3 150 m) in class RMT5 with average terrain slope 3% (G3). Course 45k (⨦ 45.5 km / + 1 500 m) in class RMT3 with average terrain slope 3% (G3).