Commanche Run got his first win twelve days later on 28 May at Doncaster Racecourse. Moving up in company, the colt ran third in the 1984 King Edward VII Stakes and the Princess of Wales's Stakes, then won his next two starts at Goodwood Racecourse, taking both the Gordon and the March Stakes. Under jockey Lester Piggott, Commanche Run went on to win three Group One races, capturing the Benson & Hedges Gold Cup, Irish Champion Stakes and the Classic St. Leger Stakes. Retired to stud duty at Coolmore Stud in Ireland, Commanche Run met with limited success. In 1999 he was
William St Leger William St Leger Sir William St Leger (1586 – 2 July 1642) was an Anglo-Irish landowner, official and soldier active in Ireland. He was the son of Sir Warham St Leger (died 1600) and his wife Elizabeth Rothe of Kilkenny, grandson of William St Leger and a great grandson of Anthony St Leger, Lord Deputy of Ireland. He was probably born in County Cork. When he was 14 his father and Hugh Maguire (Lord of Fermanagh) fatally wounded each other in single combat near Cork city. He took part in the Flight of the Earls in 1607, when Hugh O'Neill,