The 10 km du Trèfle is a road race held in Istres, located in the Bouches-du-Rhône department of southern France. It typically takes place in mid-April, offering a spring 10 km race in the Provence-Alpes-Côte d'Azur region. The course is designed as a direct test of speed and endurance on an asphalt surface.
The event is suited for runners seeking a quick, quantifiable performance, such as those aiming for a personal best over the 10 km distance. Its lighthearted slogan translates to “May luck be with your legs!” The location also places participants near popular post-race destinations like the Étang de Berre, Arles, Les Baux-de-Provence, and the Camargue regional park.