Dean Karnazes is a living testament to the limitless potential of the human spirit. He has become one of the most inspiring and accomplished ultramarathon runners in the world. Throughout his career, Karnazes has pushed the boundaries of physical enduran
An interview with ultra-marathon runner Dean Karnaze is presented. He considers running 50 marathons in all 50 states in 50 straight days as the most challenging running feat during his career. He explains why he ran 350 miles straight over the course of three days in 2005. He also ...