Ultramarathoner Dean Karnazes, 49, puts his iPhone to good use while he’s running, both to dictate his books and to do interviews en route. “I think I have some of my clearest thoughts when I’m out ...

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 ...

SAN FRANCISCO (KGO) -- Dean Karnazes is one of the most famous runners in the world. He's known for running 50 marathons in all 50 states over 50 consecutive days and was named one of Time Magazines ...

Every sports journalist has a different definition of a dream interview. For some, it is sitting across from Michael Jordan. For others, it might be Tom Brady, Serena Williams, Tiger Woods or LeBron ...