6/2/08

Go to the Olympics or go home. That simple bottom line is what the U.S. Olympic Trials are all about. The first three finishers qualify for the Games and a shot at a gold medal; everyone else can watch on TV. Over the years, unknown underdogs have risen to the challenge, while supposed shoo-ins have seen four years of hard work vanish in an instant. With so much at stake, the Trials have been a source of endless thrills for even casual fans—starting with these 10 unforgettable athletes and achievements.