When running, most of us face two challenges: our heart and lungs (conditioning); and our leg stamina. Either your “lungs or ...

We’ve all been there: You’re on the starting line of a race feeling fresh, excited, and ready to show that race who’s boss. So you take off—like really take off—and halfway in, you realize you made a ...

Pace is one of the hardest things for runners to master. No one runs at a single speed: Your easy pace should be different from your short interval pace, just like your 5K pace would be different from ...

“If you can train well for a marathon, I think you can do 100 miles,” says Eric Orton, an endurance coach best known for whipping journalist Chris McDougall into ultra shape in the book Born to Run.