Many runners, when training for their first marathon, set out with the intention to cover all 26.2 miles without taking any ...

I rejoined Strava in 2023 and my posts quickly became repetitive and monotonous: the typical “afternoon run,” logged over and ...

A runner died after a driver veered onto the course of the Florida Half Marathon in Melbourne, Florida, on February 8, local police told Runner’s World.

HIIT is commonly performed at about 80 percent of peak heart rate, while sprint intervals are more of an “all-out” effort ...

How good is the best cross-country skier ever? We put his Olympic accomplishments into running terms to find out.

“In recent years, it’s come up a lot in the literature as one of the leading indicators of overall health and longevity,” ...

At its core, looking at your HRV trend over time gives runners a window into how well they’re balancing training stress with recovery. “Higher HRV is synonymous with having a very healthy nervous ...

A solid metric to know, considering its influence on race performance. Many coaches argue that lactate threshold is one of, if not the, biggest performance predictor. It determines how fast you can ...

Many runners strive to get faster, and boosting VO2 max is often part of that goal. One way to achieve both: The interval ...

Freshman Jane Hedengren, Chamberlain’s BYU teammate, was also among the three women that ran faster than Silan Ayyildiz’s ...

Training your aerobic system increases blood flow, lowers your resting heart rate, creates more capillaries (which help you exchange oxygen and waste products), and increases mitochondria (a.k.a. the ...

The famously secretive—and extremely difficult—race is a fan favorite every year. The Valentine’s Day start is the earliest ...