Experienced ultra runner George Chmiel hopes to run coast-to-coast to benefit veterans, a quest he says will be like "running 120 marathons in two months"

George Chmiel has run across the wilds of the Australian Outback, the Sahara, Antarctica and the Gobi Desert. But his latest challenge, to run from San Diego to New York in 60 days, will be the greatest test of his body and will power. My story for ESPN.com: http://www.espn.com/sports/endurance/story/_/id/17419939/ultramarathon-man-george-chmiel-endure-running-san-diego-new-york-60-days