Björnfrossa ultramaraton
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Björnfrossa ultramaraton
Björnfrossa ultramaraton is a trail race held in Gästrikland. The course is about 65 km long and has roughly 1200 m of total ascent. The route uses sections of Gästrikeleden, Lenåsleden and Fäbodleden and passes several viewpoints along the way.
The terrain varies between technical singletrack and gravel roads, so runners encounter both rooty, uneven paths and more compact surfaces. Start and finish are located at Kungsbergets Fritidsanläggning, about 25 km north of Sandviken.
The race idea originated in 2017 when a group of local runners explored parts of the planned course and decided to create an ultramarathon in the region. The event name and theme refer to local bear activity; organisers note that bear tracks have been seen and local stories about close encounters exist, though participants have not reported direct confrontations.
Practical details such as race instructions and registration are provided by the organising association. The event description focuses on the route, the natural setting and the combined use of marked long distance trails and local paths. Visit the organization's website for the most recent information.
