Prove Out to the eventual 1973 Horse of the Year. Prove Out also defeated Secretariat's stablemate, the 1972 Kentucky Derby winner and 1973 U.S. Champion Older Horse Riva Ridge, in the 1973 Jockey Club Gold Cup. In addition to his two memorable victories in 1973, Prove Out also ran track record times at Saratoga for 7 furlongs (1:21), and at Belmont Park for 1 miles (1:40). His Woodward Stakes time of 2:25 for 1 miles on an off track is the second fastest performance ever recorded for that distance at Belmont Park, behind only Secretariat's 2:24 record Belmont Stakes win. Prove Out's
Kentucky Derby the track ran into financial difficulties and in 1894 the New Louisville Jockey Club was incorporated with new capitalization and improved facilities. Despite this, the business floundered until 1902 when Col. Matt Winn of Louisville put together a syndicate of businessmen to acquire the facility. Under Winn, Churchill Downs prospered and the Kentucky Derby then became the preeminent stakes race for three-year-old thoroughbred horses in North America. Thoroughbred owners began sending their successful Derby horses to compete later in the Preakness Stakes at the Pimlico Race Course, in Baltimore, Maryland, followed by the Belmont Stakes in Elmont, New York. The