Forez Trails, held in Augerolles, offers four trail races on a single morning. The longest race is 50 km with 1,910 meters of elevation gain. The other distances are 33 km, 24 km, and 12 km.
The courses decrease in distance and elevation: the 33 km has 1,100 meters of gain, the 24 km has 954 meters, and the 12 km has 396 meters. Race starts are staggered, beginning at 08:00 for the 50 km and concluding at 11:00 for the 12 km. Registration is managed via Miles Republic.