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AP In this photo taken on Wednesday, March 28, 2012, Chantal Sutherland, 36 from Toronto rides on U.S. horse, Game On Dude during a morning training ses - Photo

 In this photo taken on Wednesday, March 28, 2012, Chantal Sutherland, 36 from Toronto rides on U.S. horse, Game On Dude during a morning training ses

Friday March 30, 11:12 AM
In this photo taken on Wednesday, March 28, 2012, Chantal Sutherland, 36 from Toronto rides on U.S. horse, Game On Dude during a morning training session and she will make history on Saturday as the first woman to ride in the $10 million Dubai World Cup, at Meydan horse race track in Dubai, United Arab Emirates. (AP Photo/Kamran Jebreili)