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Forêt de Raismes (Château de la Princesse), Raismes, near Valenciennes, Hauts-de-France, France
La Course des Terrils is a long-running trail weekend held in the Forêt de Raismes near Valenciennes; the organiser markets the 42nd edition for the weekend of 26–27 September 2026. The event highlights the region's mining heritage, routing runners across terrils (slag heaps), marshes, Roman roads and woodland tracks to deliver varied trail terrain. The programme spans many distances from short family outings to a challenging 45 km course, and the site emphasises authenticity of the terrain and scenic historic landscapes.
The 2026 weekend includes nocturnal formats, dedicated children's races and a 3 km family event alongside the main trail distances, making it suitable for competitive runners and families alike. Practical information pages on the official site cover parking, bib collection, childcare (garderie) and other logistics for participants. Entrants and followers are directed to the organiser's homepage and linked PDFs for detailed timetables and registration opening information.
