"Newton Marshall trained for sled-dog racing with stray mutts pulling a sled on wheels through the streets of Jamaica. Now he's poised to begin the grueling Iditarod."

It's no joke. He's pretty damned good at it, especially considering his lack of experience. He finished 13th in the Yukon Quest in his first try. Most rookies don't finish that race at all.

His key sponsor: Jimmy Buffett.