Trail Running Calendar Oslo 2026-2027
We have found 20 Trailruns in Oslo. Check below where and when you can find the races.
0 – 100∞ km
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The Trolltrail will take place in Frydenberg from Friday 29 May 2026 to Sunday 7 June 2026.
June 2026
The Navy Race OCR Oslo will take place in Oslo on Saturday 6 June 2026. You can run 5 kilometers.
The Maridalsvannet Rundt will take place in Frydenberg from Friday 19 June 2026 to Sunday 28 June 2026. You can run 14 kilometers.
The Nordmarka skogsmaraton will take place in Frydenberg on Saturday 20 June 2026. You can run between 21 and 42 kilometers.
July 2026
The Østmarka halvmaraton will take place in Oslo from Friday 31 July 2026 to Sunday 9 August 2026. You can run 21 kilometers.
August 2026
The Korketrekker'n will take place in Oslo from Friday 14 August 2026 to Sunday 23 August 2026.
The Østmarka Trail Challenge will take place in Bjørndal on Saturday 22 August 2026. You can run 37 kilometers.
The Backyard Ultra RASK will take place in Oslo on Saturday 29 August 2026. You can run between 7 and 80 kilometers.
September 2026
The Toughest — Oslo will take place in Oslo on Saturday 5 September 2026. You can run between 8 and 16 kilometers.
The Oslos Bratteste will take place in Sørkedalen on Saturday 19 September 2026.
October 2026
The Rosa sløyfe-løpet Oslo will take place in Oslo on Sunday 11 October 2026. You can run 5 kilometers.
November 2026
The NightRun - Oslo will take place in Oslo on Thursday 5 November 2026. You can run 9 kilometers.
The NightRun - Frydenberg will take place in Frydenberg on Thursday 5 November 2026.
July 2027
