Castor Fou

The X-Trail Run in Beaumont-sur-Oise is an exciting running event set to take place on January 12, 2025. Participants can choose between two scenic courses through the beautiful Carnelle forest: a 15 km route designed for those looking for a challenge and a more demanding 30 km course for experience..

The Yerres Trail by Night will take place in Yerres on Saturday 18 January 2025. You can run between 13 and 23 kilometers.

L'Hivernale is a trail running event taking place in Breviaires, France, featuring two race options: a 12km and a 24km course through the scenic forest of Rambouillet. Scheduled for January 26, 2025, participants can enjoy the natural beauty of the area while challenging themselves in this winter tr..

The Trail des Marcassins is a running event taking place in Saint-Brice-sous-Forêt, featuring two courses of 17 km and 27 km through the scenic Montmorency forest and Bois des Champeaux. Participants can expect a mix of gentle hills and some challenging ascents, with the chance to spot local wildlif..

La Trifouillette Blanche is a nighttime trail running event held in the woods of Igny and Vauhallan. Scheduled for February 1, 2025, this fifth edition features two courses: a 10km route with a 320m elevation gain and a 20km route with a 500m elevation gain, including a challenging 9% incline in the..

The Dark Trail, Cerny will take place in Cerny on Saturday 1 February 2025. You can run between 11 and 15 kilometers.