 In October of that year he moved down to middle distances to win Europe's most prestigious weight-for-age race, the Prix de l'Arc de Triomphe.Levmoss was a bay horse bred in Ireland by the McGrath Trust Company, a family breeding organisation headed by Joseph McGrath.His sire was the McGrath-owned Le Levanstell, who won the Sussex Stakes and the Queen Elizabeth II Stakes in 1961 before a successful stud career.