Stage 15 of the 2026 Tour de France, scheduled for July 19th, promises a punishing mountain finish in the Massif des Bornes. The 183.9-kilometer route will take riders from Champagnole to a summit finish at the Plateau de Solaison. With a total elevation gain nearing 4,700 meters, this stage is expected to be decisive for the general classification. Experts predict significant shifts in the overall standings as riders battle grueling climbs. The stage will test the endurance and climbing prowess of the peloton. Detailed route analysis, prize information, and current rankings are available for fans following the race. This is shaping up to be one of the most challenging stages of the tour.