Tags: Race Horse.
Moon Madness (foaled 1983) was a British Thoroughbred racehorse and sire. In a career which lasted from September 1985 until November 1988 he ran twenty-four times and won ten races. He recorded his most important success when winning the Classic St. Leger Stakes as a three-year-old in 1986 the same year in which he also won the King George V Stakes and the Scottish Derby.