Churchill Downs one week before the Derby and continues until early July. The Kentucky Derby is held the first Saturday in May and the Kentucky Oaks is run on the Friday before the Derby. A fall meet picks up in late October and closes Thanksgiving weekend in late November. A third meet in September was added in 2013. In addition to the track, clubhouse and stables, Churchill Downs also contains the Kentucky Derby Museum which focuses on the history of the Kentucky Derby and Churchill Downs. The museum also contains a number of exhibits exploring the training and racing of thoroughbred horses.
American Quarter Horse hence the nickname. Horses listed in the appendix may be entered in competition, but offspring are not initially eligible for full AQHA registration. If the Appendix horse meets certain conformational criteria and is shown or raced successfully in sanctioned AQHA events, the horse can earn its way from the appendix into the permanent studbook, making its offspring eligible for AQHA registration. Since Quarter Horse/Thoroughbred crosses continue to enter the official registry of the American Quarter Horse breed, this creates a continual gene flow from the Thoroughbred breed into the American Quarter Horse breed, which has altered many of the characteristics