NN Marathon Rotterdam
Rotterdam, Netherlands · Tuesday 13 April 2027
The NN Marathon Rotterdam is one of the fastest marathons in the world, attracting elite athletes and recreational runners alike. Held in Rotterdam, Netherlands, the course is known for its flat and fast profile, making it ideal for achieving personal bests. The event features a variety of distances, including a full marathon, half marathon, and shorter races, making it accessible to runners of all levels.
Difficulty Calculator
h
:m
:s
Adjusted Time
3:56:43
Time difference: -3.3 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain73m
Elevation High17m
Elevation Low-4m
Weather Forecast
High19°C
Low12°C
Chance of Rain100%
How hard is NN Marathon Rotterdam?
Moderateharder than 24% of marathons
Flattest / easiestHardest
On our difficulty model, NN Marathon Rotterdam plays about 2 minutes slower than an average road marathon for a 3:30 runner. It ranks #876 hardest of 1151 marathons we analyse, and #11 of 12 in Netherlands. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at NN Marathon Rotterdam?
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 NN Marathon Rotterdam | Difference |
|---|---|---|
| 3:00:00 | 2:56:26 | −03:34 |
| 3:30:00 | 3:26:35 | −03:25 |
| 4:00:00 | 3:56:43 | −03:17 |
| 4:30:00 | 4:26:50 | −03:10 |
| 5:00:00 | 4:56:57 | −03:03 |
| 5:30:00 | 5:27:03 | −02:57 |
| 6:00:00 | 5:57:09 | −02:51 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
NN Marathon Rotterdam 2027 Course Analysis
NN Marathon Rotterdam is a full marathon held in Rotterdam, Netherlands. It is scheduled for Tuesday 13 April 2027. The course is run on road surface with 73m of total climbing, with its high point near 17m above sea level. For registration and full race details, visit the official NN Marathon Rotterdam website.
Elevation Profile
This is a very flat course, with only 73m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.
Expected Race Day Weather
Based on historical weather data for April, the expected race day conditions are as follows. Moderate temperatures between 12°C and 19°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 (100%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Surface Type: Road
NN Marathon Rotterdam 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 NN Marathon Rotterdam against other marathons to find the right race for your goals.
Marathons of similar difficulty
If NN Marathon Rotterdam fits your goal, these courses play out about the same on our difficulty model.
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