Thehistory of 24 hours of Le Mans. The 24-hours of Le Mans race has been held annually since 1923, designed to test both cars and drivers for endurances and reactions. As the world’s oldest active sports car race in endurance racing, the 24-hours of Le Mans is one of the most prestigious automobile races in the world and has been called the Thehighlights of the race after 15 hours of racing in the 2023 24 Hours of Le Mans.The FIA World Endurance Championship is the world’s premier international boGU5.