Celebrate 10K with Team Fit_byMary in this powerful 20-minute full body workout that combines strength and cardio. Designed for all fitness levels, this at-home session will help you build muscle, ...

The good news is that you don’t have to run to build cardio fitness. If pounding pavements isn’t your thing, this ...

If you’re preparing for a spring race, there will be a moment in the coming months when you look out the window, training plan in hand, and think, “Nope, not today.” Maybe the sidewalks are ...

Weight loss can seem like it comes with a list of dos and don’ts, making it overwhelming. Cardio is a particularly hot topic ...

While there’s no hard and fast rule, experts state one is (usually) better than the other. If you want to build a healthy, strong, and functional body, your best bet is to create a well-rounded ...

If you want to boost your cardio fitness, you’ve got two ways to level up your workouts: push harder or faster, or keep at it for longer. Each option comes with its own challenges. The first 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 ...