Queen Mastery

Queen Mastery is a three-year-old brown filly from the United States, trained by Lee Woo. She is the offspring of the stallion Mastery and the mare Princess Char. Queen Mastery has not yet secured her first victory, having raced four times without a win. In her latest race at Seoul on June 8, 2024, with Lim Da Bin as the jockey, she did not place and finished behind the winner.