<Tr> <Th> Notable races </Th> <Td> Kentucky Derby Kentucky Oaks Woodford Reserve Turf Classic Stephen Foster Handicap Clark Handicap </Td> </Tr> <Tr> <Td_colspan="2"> Official website </Td> </Tr> <P> Churchill Downs, located on Central Avenue in south Louisville, Kentucky, United States, is a Thoroughbred racetrack most famous for annually hosting the Kentucky Derby . It officially opened in 1875, and held the first Kentucky Derby and the first Kentucky Oaks in the same year . Churchill Downs has also hosted the renowned Breeders' Cup on eight occasions, most recently in 2011 . It is next scheduled to host the Breeders' Cup in 2018 . Churchill Downs Incorporated owns and operates the racetrack . With the infield open for the Kentucky Derby, the capacity of Churchill Downs is roughly 170,000 . </P> <P> In 2009, the Horseplayers Association of North America introduced a rating system for 65 Thoroughbred racetracks in North America . Churchill Downs was ranked number 5 on this list . </P>

What part of kentucky is the kentucky derby in