March 22, 2013
Dean Karnazes, 51, is an American ultramarathon runner who can basically run forever. In 2011 Dean ran 3,000 miles (4,800 km) across the United States from Disneyland to New York City in 75 days, running 40 to 50 miles per day. He also has a long list of additional running accomplishments as well: http://goo.gl/S81n1 Most human bodies produce lactic acids which cause pain in your muscles but Deans body is able to keep those lactic acid levels so low that they don’t affect him at all. When you combine that with his astonishing mental stamina, you get a super human runner.
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