In 2015, rock climbers Tommy Caldwell and Kevin Jorgeson captivated the world with their effort to climb the Dawn Wall, a seemingly impossible 3,000-foot rock face in Yosemite National Park. The pair lived on the sheer vertical cliff for weeks, igniting a frenzy of global media attention. But for Caldwell, it was much more than just a climb. It was the culmination of a lifetime defined by overcoming obstacles. NR; 100 minutes.