This September, ultra-distance legend Kilian Jornet is taking on his boldest U.S. project yet: climbing all 14,000-foot (4,267-meter) peaks in the contiguous 48 states, travelling only by bike and on ...

The United States Auto Club (USAC) announced they will become the official sanctioning body for a new North American endurance racing series named the Porsche Endurance Challenge North America ...