April Run (1978–1994) was an Irish-bred Thoroughbred racehorse who competed internationally and who in 1982 was voted a Champion both in France and the United States.A granddaughter of U.S. Hall of Famer Tom Rolfe, April Run was bred at Bertram & Diana Firestone's Gilltown Stud in Kilcullen, County Kildare, Ireland. The filly was trained in France by Francois Boutin where she won several important races before finishing a fast-closing third in the 1981 Prix de l'Arc de Triomphe.