 He returned in 1998 to repeat as the winner, making him (at age six) the oldest horse to win the King George VI and Queen Elizabeth Stakes and the first back-to-back winner since Dahlia in 1973–74.He also won the 1998 Irish Champion Stakes, but finished second in that year's Coronation Cup and second to Silver Charm in the Dubai World Cup.Sent to Churchill Downs in Louisville, Kentucky for the 1998 Breeders' Cup Classic, Swain wound up his racing career with a third-place finish to Awesome Again and Silver Charm.