Date
Sat, 29 May 2027
Start
11:00
Venue
Nedre Foss Park to Huk, Bygdøy, Oslo
Oslo
Countdown
May
A half marathon distance trail from Fossum Sports Complex to Huk on Bygdøy. With under 200 m of climbing it's a gentle, friendly way into trail running.
Key facts
01Minimum age 14
02Point-to-point: you finish away from the start
03Results ranked by sex and age group
Create a free training plan for the EcoTrail Oslo 21 km
7-day free trial, no card required
The course
The route
Oslo
Distance21km
Total climb186m
StartElevation
0 kmDrag map to rotate20.4 km
Weather
Late-May, Oslo
16°CTypical high
7°CTypical low
0°CColdest in 20 years
45%Days with rain
Highs around 16°C and lows around 7°C, but it has dropped to 0°C. Rain on 45% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
Training
Training for the EcoTrail Oslo 21 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a EcoTrail Oslo 21 km plan targets
Typical sessions
21 km with 186 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
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Get your EcoTrail Oslo 21 km plan.
7-day free trial, no card required.
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