Boom Or Bust: 48 Hours At Leadville's Treacherous UltramarathonAfter 99.75 miles and more than 16 hours of running, Thomas Lorblanchet comes striding slowly down 6th Street in Leadville, Colo. It's almost 9 on an August night, and as he crests a small hill, his way is lit only by his headlamp and the glowing light from the one-story houses that line the street....
