Aalborg Brutal Marathon
Aalborg, Denmark · Sunday 18 April 2027
Aalborg Brutal Marathon is a challenging event held in Aalborg, Denmark. This marathon is known for its tough terrain and demanding course, making it a must-do for adventurous runners seeking a unique challenge. The race takes participants through scenic landscapes and rugged trails, providing breathtaking views of the surrounding countryside.
Difficulty Calculator
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Adjusted Time
4:39:09
Time difference: +39.2 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain620m
Elevation High57m
Elevation Low4m
Weather Forecast
High11°C
Low8°C
Chance of Rain94%
How hard is Aalborg Brutal Marathon?
Very Difficultharder than 88% of marathons
Flattest / easiestHardest
On our difficulty model, Aalborg Brutal Marathon plays about 37 minutes slower than an average road marathon for a 3:30 runner. It ranks #135 hardest of 1150 marathons we analyse, and #1 of 4 in Denmark. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Aalborg Brutal Marathon?
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 Aalborg Brutal Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:24:26 | +24:26 |
| 3:30:00 | 4:01:33 | +31:33 |
| 4:00:00 | 4:39:09 | +39:09 |
| 4:30:00 | 5:17:14 | +47:14 |
| 5:00:00 | 5:55:48 | +55:48 |
| 5:30:00 | 6:34:49 | +1:04:49 |
| 6:00:00 | 7:14:16 | +1:14:16 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Aalborg Brutal Marathon 2027 Course Analysis
Aalborg Brutal Marathon is a full marathon held in Aalborg, Denmark. It is scheduled for Sunday 18 April 2027. The course is run on mixed surface with 620m of total climbing, with its high point near 57m above sea level. For registration and full race details, visit the official Aalborg Brutal Marathon website.
Elevation Profile
This is a very challenging course with 620m of total climbing - well above the average road marathon - topping out around 57m above sea level. Hill training is essential, and you should expect a slower finish time than on a flat course.
Expected Race Day Weather
Based on historical weather data for April, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 8°C to 11°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a high chance of rain (94%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Surface Type: Mixed
Aalborg Brutal Marathon features a mixed-surface course, combining sections of road with unpaved terrain such as gravel paths, parkland, or boardwalks. Mixed courses add variety but also introduce some unpredictability in footing. Expect slightly slower times than on a pure road course, and road-trail hybrid shoes may be the best footwear option.
Looking for an easier marathon or a tougher challenge? You can also compare Aalborg Brutal Marathon against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Aalborg Brutal Marathon fits your goal, these courses play out about the same on our difficulty model.