Nordmarka Skogsmaraton Halv
Oslo, Norway · Monday 21 June 2027
The Nordmarka Skogsmaraton Halv is a trail runner’s dream, offering a challenging and immersive experience through the vast forests of Nordmarka, just outside Oslo. This race is known for its demanding terrain, winding dirt paths, and frequent elevation changes, making it an excellent choice for those who love off-road running.
Difficulty Calculator
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:m
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Adjusted Time
4:58:39
Time difference: +58.6 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain421m
Elevation High411m
Elevation Low175m
Weather Forecast
High26°C
Low15°C
Chance of Rain0%
How hard is Nordmarka Skogsmaraton Halv?
Very Difficultharder than 96% of marathons
Flattest / easiestHardest
On our difficulty model, Nordmarka Skogsmaraton Halv plays about 55 minutes slower than an average road marathon for a 3:30 runner. It ranks #47 hardest of 1150 marathons we analyse, and #1 of 15 in Norway. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Nordmarka Skogsmaraton Halv?
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Nordmarka Skogsmaraton Halv | Difference |
|---|---|---|
| 3:00:00 | 3:42:03 | +42:03 |
| 3:30:00 | 4:20:15 | +50:15 |
| 4:00:00 | 4:58:39 | +58:39 |
| 4:30:00 | 5:37:17 | +1:07:17 |
| 5:00:00 | 6:16:11 | +1:16:11 |
| 5:30:00 | 6:55:22 | +1:25:22 |
| 6:00:00 | 7:34:50 | +1:34:50 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Nordmarka Skogsmaraton Halv 2027 Course Analysis
Nordmarka Skogsmaraton Halv is a full marathon held in Oslo, Norway. It is scheduled for Monday 21 June 2027. The course is run on trail surface with 421m of total climbing, with its high point near 411m above sea level. For registration and full race details, visit the official Nordmarka Skogsmaraton Halv website.
Elevation Profile
This is a hilly course with 421m of total climbing, rising to around 411m above sea level. It pays to train on hills and to pace the climbs conservatively.
Expected Race Day Weather
Based on historical weather data for June, the expected race day conditions are as follows. Moderate temperatures between 15°C and 26°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance on race day. There is a low chance of rain (0%), so dry conditions are likely.
Surface Type: Trail
Nordmarka Skogsmaraton Halv is a trail race, meaning the course includes unpaved surfaces such as dirt, gravel, or forest paths. Trail surfaces are usually slower than the road equivalent - often by 10-20% - because of uneven footing, technical sections, and frequently steeper gradients, though a smooth, non-technical or downhill trail can run faster than that suggests. Trail-specific shoes with good grip are recommended.
Looking for an easier marathon or a tougher challenge? You can also compare Nordmarka Skogsmaraton Halv against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Nordmarka Skogsmaraton Halv fits your goal, these courses play out about the same on our difficulty model.