ヨークシャーオークス
Key Change (foaled 10 May 1993) was an Irish Thoroughbred racehorse and broodmare best known for winning the Yorkshire Oaks in 1996. After winning one of her two starts as a juvenile she improved when moved up to longer distances as a three-year-old, winning the Ballysax Stakes on her seasonal debut. She was placed in both the Ribblesdale Stakes and the Irish Oaks before winning the Group One Yorkshire Oaks in August. She went on to finish second in the Irish St Leger but failed on her only start in 1997. After her retirement from racing she had success as a dam of winners.