GravelBirken 100 km 2026

GravelBirken 100 km 2026 is an official amateur gravel cycling race in Lillehammer, Norway on 29 August 2026. The official Birken GravelBirken page offers a 100 km route starting and finishing in Lillehammer with around 1,800 metres of climbing, and Birken's official news says GravelBirken is held on the same day as the traditional Birkebeinerrittet, whose 2026 page states 29 August 2026.