Known for its arduous course, the Barkley Marathons have only been completed by 15 runners since its inception 35 years ago. Real Sports highlights the ultramarathon designed to be a fool’s errand and the events that inspired it. Tune into the new episode April 20 on HBO Max. #HBO #RealSports Subscribe to HBO on YouTube: goo.gl/wtFYd7 Get More Real Sports with Bryant Gumbel Official Site: hbo.com/real-sports-with-bryant-gumbel Twitter: twitter.com/realsportshbo Facebook: facebook.com/realsportshbo Get More HBO Official Site: itsh.bo/dotcom Twitter: twitter.com/hbo Instagram: instagram.com/hbo Facebook: facebook.com/hbo Real Sports with Bryant Gumbel: The Barkley Marathons (Clip) | HBO