Many runners strive to get faster, and boosting VO2 max is often part of that goal. One way to achieve both: The interval ...

Combining Zone 2 running, goal pace running and sprinting in your weekly training plan can be ideal for developing aerobic endurance, pacing skills and explosive speed.

Learn more about this metric and the best training sessions to add to your schedule to boost your cardio fitness.

Whether you want to master the basics or snag a PR, we have the training program for you.

Whether you should choose incline walking, running, or both depends on your goals and risk of injury. Here's what to know about these exercises.

If you feel like all of your friends are suddenly training for major endurance competitions like half marathons, marathons, or even triathlons, you might feel a bit of FOMO from watching them rack up ...

Runner Liv Paxton shares how and why she's ditching her running watch to train for her next marathon. Paxton shares how running without a watch improved her runs.