Thoroughbred racing is a popular equestrian sport that involves racing horses of the Thoroughbred breed. These horses are known for their speed, agility, and stamina, making them ideal for competitive racing. Races typically take place on flat tracks, and the distance can vary, with common lengths being one mile or more. The sport has a rich history, with origins dating back to the 17th century in England. Major events, such as the Kentucky Derby and the Royal Ascot, attract significant attention and large crowds. Thoroughbred racing is also associated with betting, where spectators wager on the outcomes of races.