From David Clark’s radio show "WeAreSuperman’s Lactic Acid Trip" on #AM1300XtraSports: It’s Barkley Marathons Week and in studio with David is John Kelly, one of just a handful of finishers in the history of this iconic and insane race. The two recap this year’s Barkley that once again didn’t produce a single finisher. Also on the show is Greg Ellis with an inspirational story of overcoming hip replacement surgery and still competing in ultra marathon running.