Aalborg Brutal Half Marathon

Aalborg, Denmark · Sunday 18 April 2027

Journey into what some refer to as one of Europe's hidden gems! The Aalborg Brutal Half Marathon in Denmark, challenges each athlete with rough terrain, world-class views, and a connection to all that is Denmark. It's a true adventure that tests the human spirit. The journey through nature and a close, personal setting offers what few others in the world can provide. As you reach Denmark, prepare for both gorgeous scenery and a world-class test.

Difficulty Calculator

Your Half Marathon Time

Adjusted Time

2:13:23

Very Difficult

Time difference: +28.4 minutes compared to a flat, road, temperate course.

Course Details

Elevation Gain369m

Elevation High66m

Elevation Low16m

Weather Forecast

High11°C

Low8°C

Chance of Rain94%

How hard is Aalborg Brutal Half Marathon?

Very Difficultharder than 92% of half marathons

Flattest / easiestHardest

On our difficulty model, Aalborg Brutal Half Marathon plays about 27 minutes slower than an average road half marathon for a 1:30 runner. It ranks #35 hardest of 450 half marathons we analyse, and #1 of 3 in Denmark. Use the calculator above to see the exact adjusted time for your own goal pace.

What will you run at Aalborg Brutal Half Marathon?

Estimated finish times on this course versus the same effort on an average road half marathon, based on its elevation, surface, and expected race-day temperature.

Average-course time	On Aalborg Brutal Half Marathon	Difference
1:30:00	1:54:57	+24:57
1:45:00	2:13:23	+28:23
2:00:00	2:31:54	+31:54
2:15:00	2:50:30	+35:30
2:30:00	3:09:13	+39:13
2:45:00	3:28:02	+43:02
3:00:00	3:46:57	+46:57

Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.

Aalborg Brutal Half Marathon 2027 Course Analysis

Aalborg Brutal Half Marathon is a half marathon held in Aalborg, Denmark. It is scheduled for Sunday 18 April 2027. The course is run on mixed surface with 369m of total climbing, with its high point near 66m above sea level. For registration and full race details, visit the official Aalborg Brutal Half Marathon website.

Elevation Profile

This is a hilly course with 369m of total climbing, rising to around 66m 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 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 Half 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 Half Marathon against other half marathons to find the right race for your goals.