Karl Meltzer: Made to Be Broken is a 2017 English-language Documentary Sport film. Ultra-runner Karl Meltzer has long dreamed of setting the speed record for crossing America's Appalachian Trail. Now he sets out for his third and final attempt to run the 3,523 km (2,188 miles) in less than 46 days, 8 hours, 6 min. Karl meltzer: made to be broken stars Karl Meltzer in the title role.