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May 29th 2021

Trail 21 km

21 km
160 m
MAX 1400

Ecotrail Oslo 21 km is the best way to explore how fantastic it is to combine urban paths with closeness to the city, nature and the sea.

From Fossum by the lake Bogstadvannet the path follows the fascinating Lysaker river down to the fjord and the city. 

From Lysaker  you´ll run by fjord all the way to the finish line. You will pass the wonderful Vækerø park, Holtekilen, the country side of Bygdøy and its beach, Frognerkilen and Rådhusplassen (town hall) before the race finishes by running along the marina by the old fort Akerhus Festning.


  • Bygdøy - last intermedial for ALL distances, approx 7 km before finish line. 9:30 PM
  • Finish: 10 PM
  • SUPPORT: Within the  support stations only. For 21 km runners that is at drinking station at "Thaugland", after approx 10 km from start. 
After 11 km
Finish line
Practical information
Bib distribution at Anton Sport. For further information, please follow the menu on left side, click "Bib Distribution".
Start area at Fossum Idrettsanlegg opens at 10.30. Toilets. Music. Luggage transport, small bag only!


At Salt, Langkaia. Luggage. Toilets. Music. Bar. Results. Bathing jetty. Sauna. 


Start 21 km
The easiest way is T-Bane (Subway) Line 2 to Eiksmarka station where you will have a nice warm up walk of less than 2 km to the start area at Fossum Idrettsforening. You can also plan your destination to Fossum Terrasse, which is approx 200 meters from the start area. Plan your trip on 

Mandatory Equipment

  • Enough liquid and nutrition to run steady - this is individual.
    Minimum 0,3L.
  • Your own drinking system. 
Any question?
Go for it

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