Dean Karnazes

TIME magazine named Dean Karnazes as one of the “Top 100 Most Influential People in the World.” Among his many accomplishments, he has run 350 continuous miles, foregoing sleep for three nights. He’s run across Death Valley in 120 degree temperatures, and he’s run a marathon to the South Pole in negative 40 degrees. On ten different occasions, he’s run a 200-mile relay race solo, racing alongside teams of twelve. His most recent endeavor was running 50 marathons, in all 50 US states, in 50 consecutive days, finishing with the NYC Marathon, which he ran in three hours flat. He’s an author of the bestselling books Ultramarathon Man and Road to Sparta that follows the adventures of Philipides, the ancient greek runner that ran 160 miles from Athens to Sparta to ask for help.

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