A few of the most important insights are heart rate variability (HRV), which describes the difference in time between the ...

The widely-accepted optimal cadence number is 180 spm, however research reveals that even some of the best pro runners vary from that number. Ng says that for many runners, a cadence of at least 160 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When I first started running, I always tried to aim to run at a fast pace, which constantly made me feel ...

Running in zone 2, by definition, should feel easy. And that’s a good thing, considering zone 2 runs make up the majority of any good training plan. These easy efforts serve as the building blocks for ...

Slow running has been emerging as an unexpected way to run faster over long distances. Easy, conversational-pace runs can ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...