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 ...

California-born Dean Karnazes has been dubbed the world’s fittest man, having run 50 marathons in 50 days in 50 states in the US; run 550km over three days and smashed all the planet’s most ...

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 ...

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 ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. To most people, a marathon sounds ...

If you were overserved on your 30th birthday, as was Dean Karnazes, the idea of running 100 miles might have seemed entirely sensible at the time. That night Karnazes decided to run himself sober, and ...