Trail Running calendar near Boom 2025-2026

We have found 103 Trailruns within 80 kilometers of Boom. See below where and when you can find the races.

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

March 2026

The 20km door het Zoniënwoud will take place in Auderghem on Sunday 29 March 2026.

May 2026

The Marathon Zoniënwoud | Marathon Forêt De Soignes will take place in Auderghem on Sunday 17 May 2026. This trail is organized by Runners' Lab Trailrun Series.