Tag: Fitness

What to know about this underrated fitness metric. Trevor Raab Most data-obsessed runners have a grasp on common heart rate metrics, like resting heart rate, max...
New research explores the connection between altruism, physical health, and psychological function. New research published in Psychological Bulletin set out to explore if performing acts of kindness...
New research provides guidance on how much down time is too much.
Ready to start a new fitness plan? Take this test beforehand to track your progress.
Just because you run doesn't mean you're in shape–as a Runner's World editor discovered.