Endurance racing (motorsport) three races at least twice each. Bold on year indicate at which race the driver achieved his Triple Crown. Strong spectator figures, media interest and television coverage of endurance racing's Triple Crown events (24 Hours of Daytona, 12 Hours of Sebring, and 24 Hours of Le Mans) has led to the establishment of several endurance racing series — thereby giving teams the opportunity of running their cars in Championship events throughout the year. The FIA World Endurance Championship is an international sports car racing series organized by both the Automobile Club de l'Ouest (ACO) and the Fédération Internationale de l'Automobile
Readville Race Track on the remnants of the old oval track. Readville Race Track The Readville Race Track located in Readville, Massachusetts had a famous and exciting history for Harness Racing, Motorcycle Racing, Auto Racing and early military combat Aviation. When the track officially opened on August 25, 1896, it quickly became one of the premier venues for harness racing in the United States. It was known as one of the country's fastest courses and many records were broken there. In 1903 history was made at Readville when a five-year-old mare named Lou Dillon became the first trotter to run a two-minute mile.