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
2005 Belmont Stakes to sweep the three races. The race proved fairly uneventful, with favorite Afleet Alex winning by seven lengths and stamping himself as the top three-year-old in the nation. Longshots finished in the next three places, resulting in high payouts for the trifecta and superfecta. Giacomo won the 2005 Kentucky Derby in a major upset at odds of 50-1. Afleet Alex, who had finished third in the Derby, rebounded to win the Preakness Stakes despite nearly falling when another horse swerved into his path at the head of the stretch. Afleet Alex was favored to win the Belmont, with morning line