Danica Patrick

Danica Patrick, driver of the #7 GoDaddy.com Chevrolet, poses during NASCAR Media Day at Daytona International Speedway on February 16, 2012 in Daytona Beach, Florida.

Patrick, the most successful female race car driver in history, made her debut in the Daytona 500 - what's called "America's Great Race" - as she begins her first full year on the NASCAR circuit.

Credit: Jamie Squire/Getty Images for NASCAR