The prevailing training advice to ‘keep your hard days hard and your easy days easy’ is intended to be simple – but in reality, it can really mess with your head. Most runners understand what ‘easy’ ...

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I have a few nonnegotiables when it comes to running. I always wear a hat—the same magenta hand-me-down that’s been with me through nearly two years of consistent miles. I always eat a Honey Stinger ...

Picture this scenario: You get through a tough workout on Sunday—whether it’s a tough round of 800-meter repeats or 16 miles at marathon pace—and, surprisingly, you feel fine afterwards. The next ...

Hang around this sport long enough and you’ll eventually find your PRs are in the rear view mirror. For a lot of us, the realization that our performance is declining can be tough to accept. Dr.

Here’s the thing about cardio: It's necessary for strengthening your heart and efficiently pumping blood throughout your body, research proves. To log your recommended 150 minutes of moderate cardio ...