So, yes, I wrote about why you have to poop when you run, which led to some interesting conversations with receptionists. ‘You want to talk to the doctor about what?’ ‘Um, pooping.’ Posted on May 1, 2013 by kellydomara http://running.competitor.com/2013/04/training/why-do-i-have-to-poop-when-i-run_70934 Share this:TwitterFacebookLike this:Like Loading...