And that’s the X factor that we should align on up front when it comes to breaking four hours in the marathon: You can only ...

And I do find that running fast—making my lungs beg for air, feeling my heart pounding all the way in my ears, and pushing my ...

Marathon fatigue is real, says Amanda Katz, a certified personal trainer and running coach in New York City. The first step ...

Want to improve your performance and avoid injury? This running coach says you should find 20 minutes to strength train, ...