On May 25th, 2015 Dave Mackey’s life was forever changed. An elite ultra runner, named 2011 ultra runner of the year, with numerous wins and course records encountered a fall that would ultimately result in the amputation of his left leg from the knee down. Leadman is the story of Dave’s return to the professional running world and the challenges and struggles he must overcome to fulfill his life goals. It is a powerful and emotional journey that concludes with Dave attempting to complete one of the most grueling endurance events of its kind, a series of mountain bike and trail runs that include a 100 mile ultra and 100 mile bike ride, the Leadman Series.