Early Birken SkiBirken 2025. Save NOK 590,- for Birkebeinerrennet 2025
- Early Bird prices also for TurBirken ski 54, SkøyteBirken and HalvBirken ski.
- Early Bird lasts from Friday March 22nd until Tuesday April 2nd.
Early Birken SkiBirken 2025. Save NOK 590,- for Birkebeinerrennet 2025