
BXL run series

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 2026
3rd
edition
1000+
Participants
1
Distance
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Alternative to the mass running event the 20km of Brussels. Same distance - away from the boulevards and the crowds - max 1,500 runners
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Must Do Event
On April 4, 2027, enjoy spring with the Sonian Forest 20 km! Right on Brussels' doorstep, take on a great sporting challenge in a lush and peaceful setting. Under the beech trees and along the trails, savor the joy of running in the heart of nature and the energy of a shared challenge. Another way to experience the 20 km, with the forest as your backdrop!
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We're proud to partner with leading brands who share our passion for adventure, performance, and pushing beyond limits.

The host setting
The Soignes Forest Sports Centre is a vast sports complex located in Auderghem, in a prime setting, right next to the Soignes Forest. The site hosts numerous sports disciplines throughout the year thanks to its indoor and outdoor facilities. Its location, between city and forest, also makes it a particularly popular meeting point for athletes and outdoor enthusiasts. It is in this setting that the heart of the Trail de Bruxelles will be set up, featuring the start and finish line of the event.


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