Rebecca Maker

Feel free to make plans, working with Thoroughbreds--just don't be deceived that it'll ever be you who decides how far they work out. With a young son to raise, Becky Maker had quit the rootless life of a trainer and taken a role on the pre-training team at WinStar. "Just to stay in one place, have a salary and be safe," she remembers wryly. "Within six months I had a horse rear up and flip over in the shedrow. Severe fracture of the femur. So after 20 years galloping on...