Everyone experiences stomach or abdominal discomfort or pain at some point. It can be as harmless as the need to pass gas. It can also be a symptom of an illness. And sometimes it’s difficult to know ...

The dreadmill. The hamster wheel. The clothes hanger. Treadmills often get a bad rap, and many runners consider them an inferior way to train, but hear us out! Using a treadmill to practice run/walk ...

If you follow the run/walk method, you know alternating run and walk intervals can save energy and ultimately improve your overall pace. And if you progress those run/walk intervals the right way, you ...

Anyone that follows me on Strava might be used to seeing some micro-intervals in my workout reports. In addition to making cool looking reports, research has shown that these workouts are highly ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If we were to say the word ‘interval’ to you, what would your first thought be? The theatre? Ice ...

Most solid training plans include a weekly speed workout, often in the form of intervals. But the length of those intervals usually depends on your race distance, training goals, and fitness level.

It comes from a paper by Nigel Stepto and his colleagues, then at the University of Cape Town, back in 1999. This particular version of it is redrawn in a review on physiological adaptations to ...