Björnfrossa ultramaraton
Location
Sandviken
Sweden
Distance
Ultra
Date
October 03, 2026
in 27 days
Typical WeatherOctober, 4-10°C (39-50°F), humid
A 65K ultramarathon through the dense forests of Gästrikland near Sandviken, testing endurance on remote trail terrain.
What Makes This Race Special
- 65K single-distance ultra
- Dense forest trail terrain
- Located in Gästrikland
- Near Sandviken