 Ridden by jockey Don Brumfield, Kauai King won the 1966 Kentucky Derby and Preakness Stakes but finished 4th in the Belmont Stakes at Aqueduct Racetrack, 2 lengths behind the winner, Amberoid.On June 16, the colt was sold to a horse breeding syndicate for a then record price of $2,520,000.Other top 3-year-olds in 1966 included Graustark and 1965 Champion 2-Year-Old Colt Buckpasser.