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May 30th 2026

Trail 21 km

DISTANCE
21 km
ALTITUDE GAIN
186m
NATURE %
70%
START TIME
11:00
PARTICIPANTS
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 big lake Bogstadvannet, the path follows the fascinating Lysaker river with technical trails to the fjord at Lysaker.

The last 10k  you´ll run by fjord and the country side of Bygdøy with gravel roads and some asphalt. Finisher line is by the beach at Huk/Bygdøy.

 

CUT OFF TIMES AND SUPPORT STATIONS:

Water/sport drinks + sweets at  station Thaugland - approx 8,5 km before finish - closing 7PM
Bygdøy - last intermediate for all distancesr (5 km before finish) closing 7 PM
Finish: 8PM
SUPPORT: Within the support stations only. See FAQ for the location of the stations and what to eat/drink

The Track

Practical information
Bib distribution at Anton Sport. Please go to "Bib distribution" for further information.
Toilets. Urinal. Music. Luggage transport, small bag only! 
 

 

By the beach at HUK/Bygdøy. Water, sport drinks. Snack. Luggage.Toilets. Awards. Music. Outdoor shower. Picnic.

 

Start area 21 km
Start area at Fossum Idrettsanlegg. Address: Ankerveien 245.
The easiest way is T-Bane (Subway) Line 2 to Eiksmarka station.
Then a nice warm up walk of less than 2 km to the start area. 

You can also plan your destination to Fossum Terrasse, which is approx 200 meters from the start area. Use the journey planner app called Ruter.

 

Mandatory Equipment

  • Liquid and nutrition to run steady - this is individual. 
  • Your own cup/ drinking system. First and only support station for refill is 8,5 km before finish.
 
 
 
LIQUID YOU MUST BRING FROM START TO FIRST AND ONLY SUPPORT STATION:

 

 
MORE THAN 60MINS:  MINIMUM 0,7L FROM START.
 
 
ABOUT 45-60MINS: MINIMUM 0,4L FROM START.
 
 
LESS THAN 45 MINS: MINIMUM 0,3L FROM START.
Bring your own cup, no cups in Ecotrail races!
Any question?
Go for it

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