The horses that run in the Kentucky Derby are exclusively 3-year-old Thoroughbreds. This race is restricted to Thoroughbreds, a breed known for their speed, agility, and spirit, and it is the only time these horses are eligible to compete in the Derby since they can only run once at that age. Colts and geldings carry 126 pounds, while fillies carry 121 pounds in the race. The Kentucky Derby is run at a distance of 1ΒΌ miles (10 furlongs) on a dirt track at Churchill Downs in Louisville, Kentucky
. Thoroughbreds are characterized by a well-chiseled head, long neck, high withers, deep chest, short back, strong hindquarters, lean body, and long legs. They are considered "hot-blooded" horses bred for agility and speed, making them ideal for high-stakes flat racing like the Kentucky Derby
. In summary, the Kentucky Derby features only 3-year-old Thoroughbred racehorses.
