Former MMA fighter turned long-distance trail runner Kyle Dietz is no stranger to pushing the limits. But when a tumor was discovered in the frontal lobe of his brain, he faced the challenge of his life. After a successful surgery, Kyle was forced to start from the beginning, learning to walk and run again, all while battling memory loss and partial blindness. With the support of family, friends and his unparalleled determination, Kyle is back on the trail, pushing his body further than he thought possible.