The St. Leger Stakes is a prestigious horse race held annually in the United Kingdom. It takes place at Doncaster Racecourse in September and is the final leg of the British Triple Crown, which also includes the 2000 Guineas and the Derby. The race is open to three-year-old thoroughbreds and is run over a distance of one mile and six furlongs. Established in 1776, the St. Leger Stakes is one of the oldest horse races in the world. It is named after Anthony St. Leger, who first organized the event. The race attracts top horses and trainers, making it a significant event in the horse racing calendar.