Triple Crown of Thoroughbred Racing Notes References Thomas, Samuel W. 1995. Churchill Downs:A Documentary History of America's Most Legendary Race Track Schriener, Bruce. 2005. Historic track unveils $121 million facelift. Associated Press. April 28. External links Churchill Downs website Churchill Downs Ticket Office Kentucky Derby website Kentucky Oaks website Churchill Downs track page, NTRA Horse racing venues in Kentucky Kentucky culture Kentucky Derby National Register of Historic Places in Louisville, Kentucky Tourist attractions in Louisville, Kentucky Churchill Downs Incorporated 19th-century buildings and structures in Louisville, Kentucky 1875 establishments in Kentucky National Historic Landmarks in Kentucky Sports venues completed in 1875