Girl power
Female jockey Rosie Napravnik will be the sixth woman in history to race in the Kentucky Derby when she rides Pants on Fire on Saturday. She isn't the only female who has demonstrated she can keep up with the boys.
17 Rosie Napravnik
Horse racing
This daughter of farmers has been surrounded by horses all her life. She started riding in pony races at age 7 and racing professionally at age 17. In 2006, she was named a finalist for a prestigious award.
Her goal: If she wins the Kentucky Derby this year, it'll be the first victory for a woman in the first race of the annual Triple Crown.
Alexis Thompson
Golf
Alexis Thompson isn't old enough to compete regularly on the LPGA Tour, so she keeps her game sharp by playing against men in South Florida mini-tour events.
Her feat: In February 2011, she beat several dozen male golfers.
Katie Hnida
College footballKatie Hnida never saw game action with her first college team at Colorado. After she left, she alleged that she'd been sexually harassed and that a teammate had raped her, though no charges were ever filed.
Her feat: She went on to become the first woman to score for a Division I NCAA team.
Amanda Clement
Baseball
In 1904, 16-year-old Amanda Clement stepped in to umpire her brother's amateur baseball game.
Her feat: She was paid to umpire semi-professional games for six years, making her the first paid female umpire.
Hayley Wickenheiser
Hockey
Hayley Wickenheiser may be best known for her success playing against women in the Olympics.
Her feat: Since 2003, she has been playing with men in the professional hockey leagues of Europe.
