Watch says you’re in the red but body feels fine? You’re not imagining it. Discover why 220 minus age fails women and how to ...

This Jeffing-inspired functional workout builds a strong body and boosts cardiovascular fitness by combining bodyweight ...

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

Every runner deserves the best advice to get faster, more resilient, and stay engaged in their sport, so here are the three pieces of advice that changed my training for the better—and that you should ...

New research finds that sprint workouts can help clean out old and damaged elements of cells. Here's how, plus how to put the ...

Discover Fartlek, the Swedish 'speed play' method revolutionizing athletic training. This dynamic approach blends structured ...

If there’s one thing Navy SEALs are famous for, it’s their insane physical conditioning. They need to be strong, fast and ...

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 ...

At 80 years old, Pam Sheely is redefining active ageing. During a recent strength-training session her PT Ben Bruno (who trains clients including Jessica Biel and Kate Upton) posted on Instagram, Pam ...