This 15-minute heavy bag workout is designed to improve speed, power, and conditioning. The routine combines boxing ...

If your goal is to get faster, then you’re probably focused on nailing all of the speed workouts (intervals, tempo runs, and hill sprints) scheduled on your calendar. While practicing quicker paces is ...

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 ...