Brussels Marathon

Registration is open entry, no lottery or qualifying time required. It opens in March and closes in September or when the race sells out. Pricing is tiered, so registering early gets you the best rate.

Yes, the Brussels Marathon is a certified Boston qualifier. If you run a qualifying time here, you can use the result for your Boston Marathon application.

The time limit is 6 hours and 30 minutes.

The course has zero net elevation change, suggesting a flat or well-balanced loop. It is not a course known for significant climbs, which makes consistent pacing a realistic goal.

Expect cool, damp conditions typical of a Belgian autumn. Temperatures at the gun are usually in the mid-to-upper 40s, rising to the upper 50s by midday. Rain and wind are possible, so dress in layers and have a throwaway for the start.

The Brussels Marathon has a modest field, with recent editions finishing around 1,400 runners. The smaller size means less congestion and an easier time finding your rhythm from the start.

The Brussels Marathon runs a loop course starting and finishing near Cinquantenaire Park in central Brussels. You cover the full marathon distance in a single loop through the city streets.