The challenges of marathon running can lead to awe-inspiring and sometimes silly circumstances. Marathon athletes frequently deal with pooping during the race, and aren't afraid to share the details.

To keep up her pace, Tamara Torlakson relieved herself mid-marathon without stopping. She doesn't regret it: She ended up beating her best time 13 months postpartum. Running can trigger the bowels for ...

I typed the obligatory “Why do you have to poop so much after you run?” search into Google and more than three million results popped up. That’s right, I (a grown-ass woman, might I add) pooped myself ...

I was halfway across the Queensboro Bridge when a not-so-unfamiliar feeling hit me: I had to take a shit. I was 1.5 miles into my run, and I had emptied the tank just before I left my apartment. As I ...