Think aging's effects are genetic? Think again. That morning jog could add years to your life.
On the short-grass plains of eastern New Mexico, a band of elite marathon runners tests a controversial theory: Did the aerobic endurance of ancient man allow him to chase down the fastest ungulates...
The outermost limit of human performance: Fastest marathon.
They're obliterating records when they're not ferrying the kids to soccer or logging 40-hour weeks selling insurance. Meet five working athletes at the top of their game—and learn their training...
A fitness of just couple of hours a week can yield amazing results.
Fitness Advice: Lower Marathon Times
Barefoot-inspired shoes are flying off the shelves, and they're poised to transform the way we run. Here's how to make the most of running with less.
Running in minimalist shoes can make you stronger and faster, but it also involves changing your gait. Here's how to get started.
Running barefoot or with barefoot-style shoes means changing your gait to avoid injury.
Use this training planbased on a 30-mile-per-week training loadto transition slowly from your old shoes to your new barefoot running shoes.
The Best Sunglasses for Running and Cross-Country Skliing – Gear Advice
A new record on Nepal's Great Himalaya Trail.
In 2007, molecular biologist Ron Evans flipped a genetic switch on test mice and turned them into super-athletes. Headlines ensued, as did nervous references to human applications and "exercise in a...
This month's most notable quotes from adventurers around the world.
Gear Advice: Winter Running Shoes