166 km – The King’s Distance of Karhunkierros

When 83 km just isn’t enough and you’re eager to truly push your limits, the 166 km distance offers a double challenge. This route takes you on the legendary Karhunkierros hiking trail from Ruka to Hautajärvi and back, providing double the views, double the hills, and double the adventure.


  • Double the Challenge: A total of 166 km awaits, but the experience is priceless. Prepare to encounter the Karhunkierros in all its diversity – twice.
  • Conquering the Hills: Along the way, you’ll face numerous “vaaras” (hills), offering breathtaking vistas over forests and lakes.
  • Age Limit: Participants must be at least 20 years old during the event year.

This distance is designed for those who truly want to challenge themselves and fully experience the beauty and rigor of the Karhunkierros. Are you ready to take on the challenge and join the ultrarunning elite?

166 km Details
StartRuka Village
FinishRuka Village
Distanceapprox. 166 km / +3780 m
ITRA Points6
Cut Off36 h