Bryan Clay, Olympic decathlon winner

19 of 22
The winner of the Olympic Games decathlon is often called the world's greatest athlete. It's a grueling two-day, 10-sport endurance contest and the ultimate test of wills—a test that gold medal winner Bryan Clay passed with flying colors.

Bryan, one of the smallest American athletes to compete, jumped, threw, and ran his way to glory, taking home his first-ever gold medal!