Ancient Olympians competed in footraces, and the prize, a wreath, was symbolic. But the victors' home cities awarded the winners money. Today, some races benefit nonprofit organizations instead of individuals. Turning a race into a charity run may seem like a simple idea, but it takes a lot of work -- and many volunteers. Relay for Life is an event sponsored by the American Cancer Society. Eight-

I n most track competitions, runners know when the race starts, either because they stand at the starting line or hear the starting gun. But in the One America 500 Festival Mini Marathon, more than 25,000 runners are corralled like cattle, most standing blocks away from the starting line. Many know that the race has started only because the crowd shuffles forward. If the runner is an adolescent, t