Birken AKTIV Against Cancer Run 7.5 km 2026

Birken AKTIV Against Cancer Run 7.5 km 2026 is an official amateur trail running event in Lillehammer, Norway on 13 June 2026. The official Birken page describes a 7.5 km route from Birkebeineren Ski Stadium to Håkons Hall in accessible terrain, and says participants aged 13 to 15 can join without timing while ages 16 and older can race with optional timing.