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
St Leger St Leger, 1st Viscount Doneraile several other members of his family, he served in the Irish House of Commons as the Member of Parliament for Doneraile, sitting between 1749 and 1776. On 2 July 1776, St Leger was created Baron Doneraile in the Peerage of Ireland. On 5 January 1785, he was created Viscount Doneraile, of Doneraile in County Cork, the title previously held by his maternal relations. He married Mary Barry, the daughter of Redmond Barry, and together they had six children, including Hayes St Leger, 2nd Viscount. St Leger St Leger, 1st Viscount Doneraile St Leger St Leger, 1st Viscount Doneraile (born St