Every triathlete who hops into open water should care about what they’re getting into.

Have you ever been hangry? If the word isn't familiar to you, the condition probably is. Have you ever lashed out a coworker before lunch? Have you barked at your spouse or your kids after postponing that afternoon snack?

Not respecting the illness can often set you back more than trying to push through it.

When you’re zonked from a week full of work deadlines and runs, you may be tempted to shut off the alarm when the weekend finally rolls in to catch up on some shuteye. But that may not bring the health boost your think: Varying your sleep schedule can put you at risk of a bunch of metabolic abnormalities, a new study published in Diabetes Care suggests.

Heading out for two runs in a single day—logging “two-a-days”—is standard practice among elites. But most of us wouldn’t dream of running twice a day—either we don’t have enough time or there’s too much injury risk. However, it may be time to rethink your own training strategy.

Researchers believe old-school recovery and rehab acronyms like RICE may not be cutting it anymore. Try these instead.

New research suggests the pick-me-up might throw your heart’s electrical activity out of whack.

A British runner recently broke a world record for amount of miles run on a treadmill, but here’s what he really put his body through.

Arch pain could be caused by something as simple as your running shoes, but there are other factors that could make finding a solution more complicated.

We took a look at the best chamois creams. Because sometimes the love of a good saddle isn’t enough.

We’ve all been there—passed out on the couch after a long ride, drool dripping from the corner of the mouth. Few things are more satisfying than a nap after a long, hard workout. It’s easy to assume simple fatigue is the sole reason we conk out, but there’s much more at play, says Dr. Amy Bender, Clinical Program Director of Athlete Services at the Center for Sleep & Human Performance.

When it comes to how much water you should be drinking in and out of exercise, there is a healthy middle ground.

Here’s how to score some midday shut-eye to reap the rewards of extra sleep, without the zombie-like side effects.

A top sports medicine doctor shares how to identify and treat a dreaded stress fracture.

Eat more healthy fats—and other simple rules for smarter fueling.