Trail Running Calendar Departement Val-d'Oise 2025-2026

The Course du Muguet - Pontoise will take place in Pontoise on Thursday 1 May 2025. This trail is organized by PB Organisation. You can run between 5 and 10 kilometers.

The Trail des Balcons de la Seine will take place in La Roche-Guyon on Saturday 17 May 2025. You can run between 10 and 55 kilometers.

The Les 24h de St Brice will take place in Saint-Brice-sous-Forêt on Saturday 7 June 2025. You can run between 3 and 24 hours.

The BuTrail - Méry Sur Oise will take place in Méry-sur-Oise on Sunday 15 June 2025. You can run 26 kilometers.

The Festival des 3 Forêts will take place in Mériel on Saturday 13 September 2025. You can run between 13 and 162 kilometers.

The Trail des 2 Buttes will take place in Marines on Sunday 28 September 2025. You can run between 10 and 26 kilometers.

The Trail du Château d'Ecouen will take place in Écouen on Saturday 4 October 2025. You can run between 10 and 20 kilometers.

The La Cavale des écureuils will take place in Villers-en-Arthies on Sunday 12 October 2025. You can run between 10 and 21 kilometers.

The Les 40 Bosses will take place in Saint-Leu-la-Forêt from Saturday 6 December 2025 to Sunday 7 December 2025. You can run between 20 and 120 kilometers.