EcoTrail Oslo
About This Race
UTMB World Series trail race through Oslo's forests.
The Course
Trail running through Nordmarka forest north of Oslo. 93-95 percent on nature trails with 543m to 1991m elevation gain depending on distance. Forest paths, single track, and gravel roads.
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Race Details
Terrain
Trail
Elevation
Hilly
1991 gain
Participants
3,500 participants
Distances
80K, 50K, 31K, 21K, 10K
What to Expect
A trail running experience through Oslos backyard wilderness. The Nordmarka forest offers peaceful trails, small lakes, and classic Norwegian nature. Well-marked courses with aid stations throughout.
Highlights
Race Information
Aid Stations
5 stations
Typical Weather
Late May in Oslo: 12-18C (54-64F). Spring weather with possible showers. Forest trails may be muddy in places.
Established
2016
Tags
Frequently Asked Questions
Quick Info
- May 30, 2026
- Oslo · Norway
- Trail course
- Hilly elevation
- 3,500 participants
Verified event information
- Last verified 3 days ago
- Data sourced from official website