The Queen Mary Stakes, named after Queen Mary, the consort of King George V, is a Group 2 flat race over 5 furlongs open to two-year-old fillies, and is staged on the second day of the Royal meeting. The present system of race grading was introduced in 1971, and for a period the Queen Mary Stakes was classed at Group 3 level, but it was promoted to Group 2 status in 2004.
Early history:- The inaugural running of the Queen Mary was on Tuesday 14th June 1921 when a huge entry of 109 subscribers led to a field of 21 runners. The winner was Wild Mint (8/1), owned by Mr W Whineray, trained by H Cottrill and ridden by Shatwell, defeating Selene (7/2) and Merrily (10/1) by 2 lengths and the same.