Sagace (1980-1989) was a French Thoroughbred champion racehorse. His sire Luthier had been the Leading sire in France in 1976.Trained by Patrick Biancone and ridden by Yves St. Martin for prominent owner/breeder Daniel Wildenstein, at age three Sagace won two important races, then the following year scored a two-length victory in France's most prestigious horse race, the Prix de l'Arc de Triomphe.