My guest this week is Dean Karnazes who is an American ultramarathon runner, a NY Times best-selling author of several books including A Runner’s High – My Life in Motion. Dean has completed a number of endurance events including running a marathon in each of the 50 states in 50 consecutive days, winning Badwater 135, running 350 miles without sleep,and running 3,000 miles from LA to NYC in 75 days. He has been named the best ESPN Best Outdoor Athlete (2007), Competitor magazine Endurance Athlete of the Year 3x (2008, 2006, 2005) and Outside magazine, Ultimate Top 10 Outdoor Athletes (2004).