Super Saver ( 2010 ) , never won again , retired in October 2010 . It 's been 40 years since Secretariat won the Triple Crown . No horse has won the Triple Crown since Affirmed in 1978 . Despite lack of `` superhorses , '' interest in Kentucky Derby is still high . The last time a horse won both races was in 1973 when Whirlaway beat Gallant Man by 3 1/2 lengths to win the Belmont Stakes and become only the second jockey ever to ride two winners at one
It 's been 40 years since Secretariat won the Triple Crown . No horse has won the Triple Crown since Affirmed in 1978 . Despite lack of `` superhorses , '' interest in Kentucky Derby is still high . The last time a horse won both races was in 1973 when Whirlaway beat Gallant Man by 3 1/2 lengths to win the Belmont Stakes and become only the second jockey ever to ride two winners at one