The Coolmore Stud Stakes, registered as the Ascot Vale Stakes, is a Victoria Racing Club Group 1 Thoroughbred horse race for three-year-olds, at set weights, run over 1200 metres at Flemington Racecourse, Melbourne, Australia, on Victoria Derby Day. Total prize money is A$2,000,000.

Flemington Racecourse is a major horse racing venue located in Melbourne, Victoria, Australia. It is most notable for hosting the Melbourne Cup, which is the world's richest handicap and the world's richest 3200-metre horse race. The racecourse is situated on low alluvial flats, next to the Maribyrnong River. The area was first used for horse racing in March 1840.