BXL run series
28 Feb 2027
Escape the hustle and bustle of the city and discover Brussels at its greenest. The Brussels – Sonian Forest Marathon takes you along wide forest avenues, rolling paths, and impressive nature in the heart of the iconic Sonian Forest. Whether you choose the marathon or a shorter distance, this will be a running experience you won't soon forget.
9.0/10
Review Score 2026
10th
edition
4
Distances
1500
Participants in 2026
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Distances
4
From 12 km to 42 km
Offroad
90%
Where every kilometer feels greener