Endurance Calm — 2 museum-grade prints that set the mood. The 24 Hours of Le Mans remains the world's most famous endurance race, run annually at the Circuit de la Sarthe since 1923. Ford's 1966 victory with the GT40 ended Ferrari's dominance and inspired decades of American Le Mans mythology. The Circuit de la Sarthe — the Le Mans circuit — has hosted the 24 Hours since 1923, making prototype endurance the sport's longest-running design laboratory. The Porsche 917 family dominated early 1970s endurance racing; the long-tail variant pushed high-speed Mulsanne aerodynamics to extremes.