Rebecca Twigg with Team 7-11, aged 21. So intelligent that she skipped high school, Twigg took up racing at 14, while studying biology at the University of Washington. Her palmarès are astounding: 16 national titles and 6 world titles across multiple disciplines, including individual time trial and pursuit. At age 26 she retired from cycling, earned a degree in computer science, worked as a programmer, and then returned to take bronze at the '92 Barcelona Olympics. In 2002, Twigg was induct...