3-Sjøersløpet
Stavanger, Norway · Sunday 27 June 2027
The 3-Sjøersløpet half marathon in Norway offers a unique challenge with a route that takes runners around three scenic lakes in the Nordmarka region, north of Oslo. The course traverses through dense forests, alongside tranquil waters, and over well-maintained trails that weave through the untouched wilderness. With the occasional elevation change, the race offers a mild challenge for those looking to experience the serene beauty of Norway's natural landscape.
Difficulty Calculator
h
:m
:s
Adjusted Time
4:05:49
Time difference: +5.8 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain148m
Elevation High47m
Elevation Low7m
Weather Forecast
High25°C
Low15°C
Chance of Rain52%
How hard is 3-Sjøersløpet?
Difficultharder than 59% of marathons
Flattest / easiestHardest
On our difficulty model, 3-Sjøersløpet plays about 9 minutes slower than an average road marathon for a 3:30 runner. It ranks #467 hardest of 1151 marathons we analyse, and #8 of 15 in Norway. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at 3-Sjøersløpet?
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 3-Sjøersløpet | Difference |
|---|---|---|
| 3:00:00 | 3:01:53 | +01:53 |
| 3:30:00 | 3:33:47 | +03:47 |
| 4:00:00 | 4:05:49 | +05:49 |
| 4:30:00 | 4:38:00 | +08:00 |
| 5:00:00 | 5:10:18 | +10:18 |
| 5:30:00 | 5:42:45 | +12:45 |
| 6:00:00 | 6:15:18 | +15:18 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
3-Sjøersløpet 2027 Course Analysis
3-Sjøersløpet is a full marathon held in Stavanger, Norway. It is scheduled for Sunday 27 June 2027. The course is run on road surface with 148m of total climbing, with its high point near 47m above sea level. For registration and full race details, visit the official 3-Sjøersløpet website.
Elevation Profile
With 148m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
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 25°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 high chance of rain (52%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Surface Type: Road
3-Sjøersløpet is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
Looking for an easier marathon or a tougher challenge? You can also compare 3-Sjøersløpet against other marathons to find the right race for your goals.
Marathons of similar difficulty
If 3-Sjøersløpet fits your goal, these courses play out about the same on our difficulty model.
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