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.

Good news: starting your running journey doesn't have to require diving in head-first and sprinting for 30 minutes straight. If you’ve never been much of a runner (or you’re starting to get back into ...

Good news: starting your running journey doesn't have to require diving in head-first and sprinting for 30 minutes straight. If you’ve never been much of a runner (or you’re starting to get back into ...

If you want to become a fitter and faster runner, especially if you have a target race in mind, the best thing that you can do is select and follow a structured training plan that aligns with your ...

A new article published in The Conversation suggests that running in shorter, high-intensity intervals may provide greater benefits for controlling blood pressure, losing weight, and improving ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Sprint interval ...

According to new research, more than one in five Brits are running one to three times per week, while on TikTok, there are now 292.9 million running posts. There are many good things to come from the ...

Interval training brings immense benefits. It can also be intimidating, particularly for those new to running. What’s needed, then, is a way to sprinkle on some speed training without the accompanying ...

There comes a time in every runner’s life when it’s time to kick things up a notch. That means one thing and one thing only: interval training. There’s a reason loads of runners don’t like intervals.