Josh is an American long-distance runner who currently holds the American record in the 50K. Josh is a four-time US Olympic Marathon Trials qualifier and three-time U.S. National Team member, and he has been the top American marathon finisher at the World Track & Field Championships. His American record in the 50K was the second fastest time in history, and he missed the world record by 7 seconds. Josh (@joshcox) has more than 50,000 followers on Twitter and is an active participant in social media. Since 2008, Josh has provided commentary for several leading marathons and distance events on NBC Universal Sports.