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On the Run

Pushing limits in business and life keeps the ultramarathon man going.

This story appears in the March 2006 issue of Start Up.

When Dean Karnazes, 42, hits the ground running, there's always a possibility he may not stop. Known as the "Ultramarathon Man," Karnazes counts his longest race at 350 miles, which took him 80 hours and 44 minutes nonstop to run. During the countless hours on his feet, he learned some lessons that helped him rise to what he considers an even greater challenge: starting a business. In 1995, Karnazes co-founded EnergyWell Natural Foods, a San Francisco-based manufacturer of all-natural and organic snack foods. It has since been acquired, but Karnazes remains president of the company, now Good Health Natural Foods. We caught up with him to get his advice for entrepreneurs competing in "marathons" of their own.

Entrepreneur: What did you learn as a runner that helped you as an entrepreneur?

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