Cross-training sounds like something reserved for serious athletes and feels like a bit of an old-school term that’s been around since moms started lacing up their sneaks for step aerobics. But it’s ...

Mercey Livingston is a health and wellness writer and certified Integrative Nutrition Health Coach. She's written about fitness and wellness for Well+Good, Women's Health, Business Insider, and ...

If you've ever trained for a goal race by following a structured training plan, you’ll know that it's not just about running more – it's also about running strategically. That's why a good training ...

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. Should you get a ...

If it’s time to replace your running shoes or cross trainers, why not take some shopping inspo from actual fitness instructors? We asked around for personal trainers’ favorite sneakers to see which ...