As Peloton running and strength instructor Andy Speer puts it, cross-training isn’t bonus work anymore; it’s the foundation. “Being able to layer activities such as resistance training, isometrics, ...

If you want to run farther and faster, strength training is your secret weapon. Our latest program, The Runner’s World Guide to Strength Training, is your ultimate guide to build resiliency, prevent ...

Aerobic decoupling (also known as heart rate drift) is one of the most useful metrics that many runners have never heard of.

The run-walk method is often considered a training plan for beginners. But runners of all levels can benefit. By Danielle Friedman During a recent half-marathon, I was taking a walk break when a man ...