Kentucky Derby Challenge Stakes Kentucky Derby Challenge Stakes The Kentucky Derby Challenge Stakes was an English Thoroughbred horse race intended to become an annual race, but was run only one time on 18 March 2009 at Kempton Park Racecourse in Sunbury-on-Thames, Surrey. Open to three-year-old European horses, it was raced clockwise at a distance of nine furlongs ( miles, app. 1800 metres) on Polytrack. The winner of the race was guaranteed one of the twenty starting spots in the mile (10 furlongs) 2009 Kentucky Derby held on the first Saturday in May on the dirt track at Churchill Downs in Louisville, Kentucky. The race
American Quarter Horse resulting horse was small, hardy, and quick, and was used as a work horse during the week and a race horse on the weekends. As flat racing became popular with the colonists, the Quarter Horse gained even more popularity as a sprinter over courses that, by necessity, were shorter than the classic racecourses of England, and were often no more than a straight stretch of road or flat piece of open land. When matched against a Thoroughbred, local sprinters often won. As the Thoroughbred breed became established in America, many colonial Quarter Horses were included in the original American stud