1973 Preakness Stakes combined victories at the Belmont Stakes, Preakness Stakes, and Kentucky Derby, Secretariat became the ninth horse to complete the Triple Crown of Thoroughbred Racing, and the first horse since Citation in 1948, ending a 25-year period without a Triple Crown winner. Secretariat's times in all three Triple Crown races were stakes records and still stand to this day. 1973 Preakness Stakes The 1973 Preakness Stakes was the 98th running of the Preakness Stakes at Pimlico Race Course in Baltimore, Maryland held on May 19, 1973. Six horses entered, and Secretariat won by lengths ahead of Sham in front of a
1977 Belmont Stakes 1977 Belmont Stakes The 1977 Belmont Stakes was the 109th running of the Belmont Stakes at Belmont Park in Elmont, New York held on June 11, 1977. With a field of eight horses, Seattle Slew won by four lengths in front of a crowd of 70,229 spectators. In conjunction with previously winning the Kentucky Derby and Preakness Stakes, Seattle Slew became the tenth horse to with the Triple Crown of Thoroughbred Racing, and the first to do so unbeaten. The race went off at 5:47 pm ET and was televised on CBS nationwide. Times: mile: :24.6, mile: :48.4, mile: 1:14,