Decidedly (March 3, 1959 – November 12, 1984) was an American Thoroughbred racehorse who is best known for winning the 1962 Kentucky Derby.
His sire Determine from whom he inherited his gray coat, won the Kentucky Derby in 1954.
Decidedly's dam Gloire Fille was descended from the broodmare La France (foaled 1928) who was the female line ancestor of numerous other major winners including Phalanx, Danzig Connection and Johnstown.
[2] Ridden by Bill Hartack, Decidedly set a new Churchill Downs track record for 1¼ miles in winning the 1962 Derby.
In 1963 Decidedly won five of thirteen starts and set a new Keeneland Race Course record for 11/16 miles in winning the Ben Ali Handicap.