Trail de la vallée de la Thure by night 2026

The Trail de la vallée de la Thure by night is an evening trail race held in Cousolre, located in the Nord department of Hauts-de-France, near the Belgian border. Typically run in early November, participants start around 18:30, meaning headlamps and cool autumn weather are expected. The primary race covers approximately 12 km with around 270 m of elevation gain, presenting a brief yet genuine trail challenge distinct from a flat road race.