If your VO2 max won't improve, you might be missing a key piece of the training equation.

A good rule of thumb to follow with cruise intervals is to make sure the amount of threshold work you do doesn’t exceed about ...

There are a few good reasons why we turn to interval training to boost our speed and performance: It’s efficient; it’s rewarding, and it works. “A major benefit of interval training is that you can ...

High intensity interval training (HIIT) is only effective for improving fitness when performed at 60-second intervals, according to new research. High intensity interval training (HIIT) is only ...

Whether you’re a 5 or a 15-minute mile runner, the desire to go faster is in every runner’s DNA. But what’s the best way to add a bit of pace to your game? One answer is to build interval training ...

In the fitness world, the word “miracle” gets thrown around like a two-pound dumbbell. But when it comes to high-intensity interval training (HIIT), a very short workout, the benefits you’ve heard ...

A systematic review and network meta-analysis of 37 studies (6,818 patients) compared exercise modalities and intensities, showing that structured exercise significantly improves endothelial function ...