Ecotrail Oslo 2026-05-30 10km;21km;31km;50km;80km Oslo / Norway Visit Event Website → About This Event Location Oslo Country Norway Date 2026-05-30 Distances 10km;21km;31km;50km;80km Why This Event International trail running festival with 5 distance options from 10km to 80km through Oslo's forests and islands featuring 500m-2,400m elevation gain, showcasing Norway's natural terrain and eco-conscious trail running ethos. More Runs in Norway View all runs in Norway