About This Race
The ultimate ultra challenge covering the legendary Karhunkierros trail from Ruka to the Arctic Circle and back. This demanding 166-kilometer journey offers fell summits, deep wilderness, and represents the pinnacle test of endurance on Finland's most famous trail.
The ultimate ultra challenge covering the legendary Karhunkierros trail from Ruka to the Arctic Circle and back. This demanding 166-kilometer journey offers fell summits, deep wilderness, and represents the pinnacle test of endurance on Finland's most famous trail.
Location
Practical Info
The event is based in Ruka village, which serves as the finish area and main event hub.
Best For
Notable Features
The race follows the legendary Karhunkierros trail through Oulanka National Park, featuring technical terrain with suspension bridges, river gorges, and wilderness sections. The longest distance covers 166 kilometers with a demanding 36-hour cutoff time, while GPS tracking is available for the ultra distances to help supporters follow runners through the remote wilderness.