De Maasdijk
Oss, Netherlands · Tuesday 22 June 2027
De Maasdijk, held on June 21-22, 2025, in the Netherlands, is a unique multi-sport event that includes a marathon, half marathon, 10 km, and 5 km races. The marathon starts at 6 PM in Keent, allowing runners to avoid the hottest part of the day and enjoy the scenic route under evening conditions. The course alternates between serene landscapes along the Maas River and charming historical villages, culminating in a lively finish in the center of Oss.
Difficulty Calculator
h
:m
:s
Adjusted Time
4:03:37
Time difference: +3.6 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain37m
Elevation High11m
Elevation Low3m
Weather Forecast
High28°C
Low17°C
Chance of Rain98%
How hard is De Maasdijk?
Difficultharder than 58% of marathons
Flattest / easiestHardest
On our difficulty model, De Maasdijk plays about 7 minutes slower than an average road marathon for a 3:30 runner. It ranks #483 hardest of 1150 marathons we analyse, and #5 of 12 in Netherlands. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at De Maasdijk?
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 De Maasdijk | Difference |
|---|---|---|
| 3:00:00 | 3:01:08 | +01:08 |
| 3:30:00 | 3:32:21 | +02:21 |
| 4:00:00 | 4:03:37 | +03:37 |
| 4:30:00 | 4:34:56 | +04:56 |
| 5:00:00 | 5:06:17 | +06:17 |
| 5:30:00 | 5:37:41 | +07:41 |
| 6:00:00 | 6:09:08 | +09:08 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
De Maasdijk 2027 Course Analysis
De Maasdijk is a full marathon held in Oss, Netherlands. It is scheduled for Tuesday 22 June 2027. The course is run on road surface with 37m of total climbing, with its high point near 11m above sea level. For registration and full race details, visit the official De Maasdijk website.
Elevation Profile
This is a very flat course, with only 37m 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 June, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 17°C and 28°C. Heat is one of the biggest performance factors in distance running - for every degree above 15°C, finish times can slow by roughly 1-2%. Extra hydration and a conservative start are strongly recommended. There is a high chance of rain (98%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Surface Type: Road
De Maasdijk 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 De Maasdijk against other marathons to find the right race for your goals.
Marathons of similar difficulty
If De Maasdijk fits your goal, these courses play out about the same on our difficulty model.
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