Cherie Gruenfeld, 81, is an Ironman Hall of Famer who completed her first marathon at age 42. She retired from competing at 78 with 14 world titles, and still competes in half-Ironmans and ...

When it comes to walking versus running, which reigns supreme? The answer is that getting moving matters most.

For decades, many runners, and even coaches, have assumed that being a runner meant never walking during a training run or race. Even the most accomplished runners would apologize when they walked at ...

With shorter days, colder temps, and the possibility of black ice lurking on the pavement, moving your run indoors might be looking a lot more appealing. But it can also bring up the question: Is ...

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. Is the treadmill ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? If your entire social media feed is flooded with friends and family crushing ...

To become more efficient runners, it's well known that we need to run regularly and consistently. But what's lesser known is the positive impact of Jeffing on running performance. But what the Jeff is ...

Many people think running is as simple as grabbing your favorite pair of shoes, finding a stellar playlist, and heading out the door. We hate to break it to you, but that's not exactly true. The ...

You’ve probably heard that running is tough on your knees – and even that it can cause long-term damage. But is this true? Running is a relatively high-impact activity. Every time your foot contacts ...