The fourth stage of the Tour de France 2026 features a 181.9-kilometer route stretching from Carcassonne to Foix. This stage, known for its challenging terrain, often plays a significant role in shaping the general classification. Last year’s edition saw Tadej Pogačar secure the first of his four individual stage wins at this point in the race, marking an important step in his overall victory. The route through southern France includes a mix of flat sections and mountainous climbs, testing riders’ endurance and strategy as the race progresses. Observers anticipate that this stage will again be pivotal in determining key contenders' standings as the Tour advances.