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

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

You may already know your VO2 max is a strong predictor of how fast you are on the bike. But if you’re fuzzy on the details, including what the term actually means, why it matters, and how you can ...