I recently decided to completely switch up my half marathon training. I swapped miles for time-based training runs, and because I’ve never been much for speedwork outside my high school cross-country ...

The issue: Many runners (particularly women) report that their fitness trackers tell them they’re exercising in a higher zone ...

Run for one minute. Walk for three minutes. Repeat this five times or about 20 minutes, two to three days a week. After three ...

This classic indoor exercise machine has some tricks up its sleeve. Here are four workouts, for runners and walkers, to get ...

In a small study, sprint interval exercise helped to “clean-up and rebuild” cells better than steady-state moderate-intensity ...

This workout consists of four-minute bursts of exercise, done at 85 to 95% of your maximum heart rate. Afterwards, you get ...

If there’s one thing we know for sure, it’s that there is no shortage of killer cardio workouts. Between AMRAP workouts, rucking, and the viral 12-3-30 treadmill routine, people are constantly finding ...

"Cardio machine" has become a catch-all term to describe exercise bikes, treadmills, rowers, and ellipticals. Categorising an entire section of your commercial gym can be practical, sure—but the ...

The Matrix collection depicts a complex science fiction story incorporating many philosophical elements. Written and directed by the Wachowskis and produced by Joel Silver.