In Running for Weight Loss, Runner’s World’s exclusive guide hosted by Jennifer Brown, we break down how your metabolism ...

Primarily in terms of cardio health, running builds the strength of the heart muscle so that it can pump more blood around ...

Thanks to the proliferation of smartwatches and fitness trackers, it’s never been easier to log your heart rate while running ...

Taking easy runs too fast is a common habit among runners, much to the chagrin of coaches everywhere. I know staying in the zone 2 range is critical for aerobic development, and after lowering my ...