Check out the event’s participant instructions here!
The 166 km race starts as a mass start, with no separate start groups. There is also no bus transportation for the 166 km distance, as both the start and finish are located directly at the event center.
Start, Aid stations & finish Cut-Offs
📍🏃♀️Start Ruka
⛺️Konttainen 7,3km
⛺️Basecamp 25,0km
⛺️Oulangan luontokeskus 56,8km
⛺️Napapiiri 84,3km
⛺️Oulangan luontokeskus 111,9km
⛺️Basecamp 143,7km
⛺️Konttainen 161,4km
🏁Ruka 168,7km
CUT-OFFS
👉 166 km – Start to Finish: 36 h
👉166 km – Start to Napapiiri (Cut-Off): 16 h
👉166 km – Start to Oulanka (Cut-Off): 22 h
👉166 km – Start to Konttainen (Cut-Off): 33 h
DROP BAG TRANSPORT
🧳For participants in the 166 km distance, we transport a “drop bag” from Ruka to the Oulanka Visitor Centre and the turnaround point at Hautajärvi.
Distances
166 km
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!83 km
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
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.
