2017 Kentucky Derby 2017 Kentucky Derby The 2017 Kentucky Derby (in full, the Kentucky Derby Presented by Yum! Brands, due to sponsorship) was the 143rd running of the Kentucky Derby, and took place on Saturday, May 6, 2017. The Kentucky Derby is a horse race held each year in Louisville, Kentucky, on the first Saturday in May, at the end of the two-week-long Kentucky Derby Festival. It is a Grade I stakes race for three-year-old Thoroughbreds at a distance of , and has been run at Churchill Downs racetrack since its inception in 1875. The race was broadcast by NBC with a scheduled
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