From Ruka to the Arctic Circle and back! 166 km on the legendary Karhunkierros trail offers fell summits, deep wilderness, and the ultimate ultra challenge – twice!

From the Arctic Circle to Ruka! 83 km on the Karhunkierros trail takes you from Hautajärvi through deep forests, river gorges, and towering fells to the finish in Ruka.

55 km of demanding trail running through Finland’s wilderness! This course takes you through forests, river gorges, and fells – the perfect balance of challenge and beauty.

34 km of Karhunkierros’ most beautiful scenery! This course winds through forests, river gorges, and suspension bridges, offering technical trails and unforgettable views.

A fast and scenic 13 km trail in the Ruka fell area! Steep climbs, thrilling descents, and breathtaking views – perfect for all levels. Minimum age: 12 years.