DateExpected
Mid June 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Sognsvann Snøpark, by Lyn’s clubhouse at Kringsjå, Olav M
Oslo
Countdown
June
The friendly way into the day: a half marathon loop with gentle climbing, and the biggest field of the three, over 1,000 runners.
Key facts
01Minimum age 15
02Five start waves between 09:00 and 09:20
Create a free training plan for the Nordmarka Skogsmaraton 21 km
7-day free trial, no card required
The course
The route
Oslo
Distance21km
Total climb425m
StartElevation
0 kmDrag map to rotate21.3 km
Weather
Mid-June, Oslo
18°CTypical high
9°CTypical low
3°CColdest in 20 years
49%Days with rain
Highs around 18°C and lows around 9°C, but it has dropped to 3°C. Rain on 49% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Runa Skrove Falch01:26:0114.7 km/h
02Asta Ellingvåg01:29:1814.2 km/h
03Josefine Smith Brekke01:29:3614.1 km/h
410
Women finishers
2:13:57
Median time
9.5 km/h
Median speed
Women · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Nordmarka Skogsmaraton 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 Nordmarka Skogsmaraton 21 km plan targets
Typical sessions
21 km with 425 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
Steady mileage with one or two quality days a week
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 Nordmarka Skogsmaraton 21 km plan.
7-day free trial, no card required.
Other races at Nordmarka Skogsmaraton
More events in June in Norway
Lofoten Ultra-Trail®Expected Early June 2027 · Osterøy→Det Norske FjellmaratonExpected Early June 2027 · Finish: Beitostølen sentrum→Kua UltraExpected Early June 2027 · Storvika - Stáhpe→Lysefjorden InnExpected Early June 2027 · Rogaland→Telemark ToursExpected Early June 2027 · Eidstod→TromsøritteneExpected Early June 2027 · Kaldfjord→
