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34,045EventsUnited States2026
Next week
20SUN
17
MAY
Marathon Zoniënwoud | Marathon Forêt De Soignes
Auderghem, BE
SUN
17
MAY
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Marathon Zoniënwoud | Marathon Forêt De Soignes
Sunday, May 17, 2026 · Auderghem, Belgium
Distances
Full
Full
Start location
About this race
This forest marathon in the Zoniënwoud offers routes that are mostly unpaved, with over 90% wide forest paths, gravel paths, and singletracks. The course is traffic-free with rolling paths and some steeper sections. The race is semi-autonomous; bring your own drinking cup or bottle, as no disposable cups are provided out of respect for the environment.