BXL run series
4 Apr 2027
Escape the hustle and bustle of the city and discover the green lung of Brussels during the 20 km through the Sonian Forest. This unique course takes you along the most beautiful avenues, forest trails, and hidden spots of one of Europe's most impressive beech forests. A sporting challenge in the heart of nature, just a stone's throw from the capital.
9.0/10
Review Score 2025
3rd
edition
1000+
Participants
1
Distance
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1 distance
20 km
Offroad
90%
Time limit
5u30
UTMB index
20k
Where the city ends, the adventure begins.