Why do swimmers practice like crazy, at crazy hours of the day? Why do they have crazy appetites, are crazy competitive, and do crazy, big things in the name of team spirit? To set records, and break them. To be a part of history, and then to rewrite it. So Swim Across America launched the world's biggest virtual swim meet--the Crazy Big Swim--to set a Guinness World Record, all while raising tons of money for childhood cancer research.