Tom Holland's love for the CrossFit workout 'Cindy' went viral earlier this year (see video above), with thousands of fitness ...

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. Fartleks are a ...

IF THE WORD "fartlek" makes you giggle, you're not alone. But there’s nothing funny about how this style of training can help runners—especially beginners—level up to faster speeds. The idea of ...

Lifting won't slow you down if you schedule it right. Here's how to build a hybrid week that makes you a stronger, more ...

Staff Sgt. Elyse Bailey, a U.S. Army Reserve military police soldier representing the 200th Military Police Command, recovers after running the 2-mile Army Combat Fitness Test during the 2020 U.S.

It’s tempting to treat a double-workout day as a make-it-work situation: Run when you can, strength train when you feel like it, and call both boxes checked. But there’s a rationale behind how runners ...

Spotify has added Running Mode, a new feature that builds a running playlist around your pace, goals, and music taste instead of leaving you to assemble one by hand. The feature is available now to ...

People use many types of running workouts to improve their pace for timed runs and longer-distance races. Knowing which ones are best for you is a mix of best practices and personal preferences.

Don't just slog out the miles. Pick one of these pro-proven workouts to dial in your long distance. How many long runs should a triathlete do each week? What intensity should they be? Should a long ...

Both walking and running support weight loss, but does one offer more benefits?