Here is the link to a good article on Chrissie Wellington, the women's world record holder in the Ironman. Her world record time is 32 minutes faster than the previous record that stood for 14 years. At one point, Chrissie struggled with an eating disorder. Her new book, "A Life Without Limits", details her battle with both anorexia and bulimia. She overcame other hurdles in her life as well in order to become one of the most accomplished female triathletes the world has known.