On Aug. 17, 2013, Zack Schor competed in his first 50-mile race through the Swiss Alps. Find out how he went from his first marathon to becoming an ultrarunner, and how he sustains and trains for a 50-mile run. Read More »
On Aug. 17, 2013, Zack Schor competed in his first 50-mile race through the Swiss Alps. Find out how he went from his first marathon to becoming an ultrarunner, and how he sustains and trains for a 50-mile run. Read More »