The Barkley Marathons – Few Know How to Enter – Fewer Finish – NYTimes.comhttp://www.nytimes.com/2013/03/28/sports/the-barkley-marathons-few-know-how-to-enter-fewer-finish.html?_r=0&pagewanted=all#readThe Barkley Marathons – Few Know How to Enter – Fewer Finish – NYTimes.com