Trail Running calendar near Grimbergen 2025-2026

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 11 and 42 kilometers.

The Trail des Carrières - Gesves will take place in Gesves on Sunday 5 April 2026. You can run 7 kilometers.

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

The Les 15km de Woluwe will take place in Woluwe-Saint-Lambert on Sunday 10 May 2026. You can run between 6 and 25 kilometers.

The Foxrun will take place in Wezembeek-Oppem on Saturday 13 June 2026.

The De Druiventocht will take place in Tervuren on Saturday 11 July 2026.