A week later, his muscles still sore, his schedule back to two miles of therapeutic walking, Bob Becker said from his Fort Lauderdale home, “My body feels better than it has a right to feel.” He ran ...

The kids knew. Arthur Webb didn't need to elaborate Wednesday. When he told the kids at the Valley of the Moon Children's Home, "I have your background," they didn't giggle, like this was some old guy ...

Many would see running a marathon as the pinnacle of their athletic career; thrill-seeker Karnazes didn't just run a marathon, he ran the first marathon held at the South Pole. The conditions were ...

The Ultramarathon Man wants to be the first person to complete all four legs of the 4 Deserts race series in one year. He survived the Gobi March and the Atacama Crossing, which he won last March.

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Dean Karnazes, arguably the world's fittest man, is jogging through the streets near downtown Orlando, Fla., chatting easily as he goes, utterly relaxed, as if he could keep running like this for 100 ...