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
Churchill Downs rating system for 65 Thoroughbred racetracks in North America. Churchill Downs was ranked number 5 on this list. In 2014, prior to the start of their spring meet, Churchill Downs announced an increase in parimutuel takeout rates. As a result of the takeout increase, Churchill Downs was ranked number 22 in the 2014 Horseplayers Association of North America Track Ratings. The track is named for John and Henry Churchill, who leased of land to their nephew, Colonel Meriwether Lewis Clark Jr. (grandson of explorer William Clark). Clark was president of the Louisville Jockey Club and Driving Park Association, which formed