Patricia Cooskey began her riding career in 1979, at a time when female jockeys were not only rare, but were often discriminated against. She was the second woman in history to ride in the Kentucky Derby, the first to ride in the Preakness, and was at one time the all-time leading female jockey by victories. "I think the biggest challenge back then was being a woman in a male-dominated sport," she said. "There were a few women who came before me, who I really consider the pioneers, tough women who...