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
Thomas St. Leger has been suggested that Buckingham had the heiress in mind as a bride for his own eldest son Edward. This never came to pass, for both St. Leger and Buckingham ended up in rebellion against the new king. St Leger had been unshakably faithful to Edward IV and, like many of the other rebels of the rebellion of 1483, was undoubtedly distressed at Edward V having disappeared from sight after having been deprived of his crown. When the rebellion floundered, St. Leger continued the fight in Exeter, but was captured. He was executed on 13 November 1483, at Exeter Castle,