BXL run series | Sonian Forest
Discover the Sonian Forest Run Series: five unique running events where Brussels and the Sonian Forest come together. From fast runs to trail and marathon: choose your challenge, run at your own pace, and experience the best of both city and nature. 5 runs. 1 challenge.
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Runners
8000
annual participants
Events
5
Yearly events
Percentage
50
female participants
escape the city and discover the forrest with us
Discover our
EVENTS
+ WALK17 October 2026
30km door het Zoniënwoud RUN
1 distance - 1 challenge - traverse the entire Sonian Forest
18 October 2026
Trail de Bruxelles
4 distances, a challenge for everyone
11 November 2026
Castle Trail La Hulpe
Cross the forest, skirt the castle, and give it your all until the finish line.
28 February 2027
Marathon Zoniënwoud
Where every kilometer feels greener
+ walk4 April 2027
20km door het Zoniënwoud
Where the city ends, the adventure begins.
TRUSTED BY
the following brands
with the help of our friends and great partners
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#runseriesBXL
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