Kyle Busch

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Kyle Busch spent much of his childhood tinkering around in his father's garage, and his hobby turned serious when he began racing cars at age 13. From there, his life in the fast lane really took off. At just 20 years old, Kyle became the youngest driver in history to win NASCAR's Nextel Cup.

"It was just amazing in its own right to be able to win [my] first race," Kyle says. "But at that level, to be able to beat 43 race car drivers—the best in the world of stock car racing—it was just an awesome opportunity for myself."

What's a 20-year-old going to do with winnings totaling more than $241,000? He and his car's owner, Rick Hendricks, plan to donate their portion of the prize money to the Red Cross for Hurricane Katrina relief.