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 ...

Running a marathon is no small feat. Athletes can expect to cover between 50-60,000 steps, burn over 3,000 calories and expel multiple liters of sweat to keep cool. Marathons and other long distance ...