Derby (horse race) four-year-old Thoroughbreds, and the Canadian Pacing Derby, an annual harness race for "aged pacers" (Standardbreds) four years old and up. In Scandinavian harness racing Derby is restricted to four-year-olds. Exception is the Finnhorse Derby, which is restricted to five-year-olds. Derby (horse race) A derby ( , ) is a type of horse race named after the Derby Stakes run at Epsom Downs Racecourse in England. That was in turn named after Edward Smith-Stanley, 12th Earl of Derby, who inaugurated the race in 1780. Perhaps the best-known example after the original is the Kentucky Derby in the United States. Traditionally, the
Eight Belles Stakes Eight Belles Stakes The Eight Belles Stakes is a Grade II American Thoroughbred horse race for three-year-old filly sprinters run at a distance of 7 furlongs at Churchill Downs in Louisville, Kentucky each year on Kentucky Oaks Day. Raced as the Oaks Prep from 1956 to 1966, it was then renamed the La Troienne Stakes from 1967 to 2008 for one of the greatest broodmares in the United States throughout the twentieth century, La Troienne. In June 2008, Churchill Downs announced that beginning in 2009 this race would be called the Eight Belles Stakes in honor of the deceased filly,