Many fitness tests include speed and agility in addition to endurance runs. You need a good workout to take to the track to ...

If you have a half marathon or marathon on the horizon, or even a 10K, it might seem counterintuitive to go out and train your body to run 100 meters as fast as you can. But even if you’re gearing up ...

When cold, dark, rainy, or icy conditions make it tough to get outside, the obvious option is to hit the treadmill. The good news: Doing speed workouts on the treadmill makes the time seem to fly by ...

Dear Dr. Donohue - I have been running for at least five years and run five or more miles almost daily. Yesterday, I played basketball with my two teenage sons. I was out of breath, and they weren't ...