Trail Running calendar near Watermael-Boitsfort 2025-2026

The Ultra Trail De La Sibérie will take place in Profondeville from Friday 20 February 2026 to Saturday 21 February 2026. You can run between 35 and 125 kilometers.

The Druivenmarathon will take place in Tervuren on Sunday 22 February 2026. You can run between 11 and 42 kilometers.

The Course Nature du Collège Saint Augustin will take place in Gerpinnes on Friday 20 March 2026. You can run between 5 and 21 kilometers.

The 20km door het Zoniënwoud will take place in Auderghem on Saturday 28 March 2026. You can run 20 kilometers.

The Marathon Zoniënwoud | Marathon Forêt De Soignes will take place in Auderghem on Sunday 29 March 2026. This trail is organized by Runners' Lab Trailrun Series. You can run between 10 and 42 kilometers.

The Flandrienloop Oudenaarde will take place in Oudenaarde on Sunday 26 April 2026. You can run between 6 and 26 kilometers.

The Legends Ardennes Trail will take place in Clavier on Saturday 2 May 2026. You can run between 20 and 111 kilometers.