Ecotrail Oslo is Norway's largest ultra race and offers several distances, including 10 km, 21 km, 31 km, 50 km and 80 km, as well as a 21 km walk. The event takes place annually and has a high proportion of nature experiences on the trails, with up to 90% of the routes added to scenic areas. Participants can expect a unique experience, whether they are exercisers or elite athletes. Course records are often set in challenging conditions, which contributes to the event's popularity.
With a strong focus on environmental responsibility and sustainability, Ecotrail Oslo is also known for supporting non-profit organisations. After each event, a survey is conducted for participants, which contributes to continuous improvement of the experience. The 9th edition of Ecotrail Oslo will be held on Saturday 25 May 2024, and attracts participants from both Norway and abroad.