If you have a half marathon or marathon on the horizon, or even a 10K, it might seem counterintuitive to go out and train your body to run 100 meters as fast as you can. But even if you’re gearing up ...

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 ...

Influencers call sprinting the ultimate fat-burning workout. Experts say it’s more nuanced—but research shows this high-intensity exercise offers surprising benefits for the heart, muscles, and even ...

Losing weight and gaining muscle are two major feats in and of themselves, but if your goal is to achieve both at the same time, you’re likely working toward body recomposition. Strength training and ...

Sprint training focuses on running at maximum velocity in short bursts, with long recovery periods. Specificity is a key training principle – training in a way that is relevant and appropriate for ...

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 ...