On June 9, 1973, Secretariat won the Belmont Stakes by an astonishing 31 lengths. With this victory, he completed the Triple Crown, becoming the first horse to do so in 25 years. His performance is considered one of the greatest feats in racing history. Millions watched on television as he pulled ahead of the field. Secretariat’s speed record in the Belmont still stands. His legacy endures as a symbol of athletic excellence.