Running

Runner's high is often attributed to a burst of endorphins our bodies release during a long run or even vigorous exercise. But is that feeling of euphoria we experience from a rush of endorphins or something else?

By Jennifer Walker-Journey

Some experts argue it's not good to run every single day without letting the body rest. But others take running streaks to another level, and their bodies and minds are better for it.

By Jennifer Walker-Journey

U.S. runners are taking longer than ever to cross the finish line. But why?

By Shelley Danzy

The 20-year-old athlete became the first woman to enter the marathon, and officials tried to physically stop her. They couldn't.

By Christopher Hassiotis

People who take on the 26-mile run may be prone to acute kidney injury, a condition that can cause swelling, pain and even seizures.

By Shelley Danzy

In the 20th century, Roger Bannister ran the first ever sub-four-minute mile. Will the 21st century see humans running a marathon in under two hours?

By Julia Layton

Aside from being fit, male endurance athletes may have an evolutionary advantage by simply being more attractive to the opposite sex. Let's look at the science behind it.

By Maria Trimarchi

Participating in a turkey trot fun run may be a great way to work off Thanksgiving dinner, but it could have a long-term impact on your community, too.

By Laurie L. Dove

You're running or biking, but you're quickly running out of steam. Then suddenly — BAM — you get a rush of energy. What's going on?

By Maria Trimarchi

Long-distance running is inherently challenging and requires strength and endurance. Try running a 26.2-mile race backward, and you've added even more challenges to the feat!

By Laurie L. Dove

Barefoot running continues to be debated among runners, but what if you want just a little protection for your tootsies? Scope out your options and find out about barefoot running shoes.

By Nathan Chandler & Craig Haggit

Runners and pain go together hand (or foot or knee) in hand. It has been reported that more than half of active runners experience an injury each and every year. So, which ailments are the most common?

By Craig Haggit

Running with the love in your life can promote heart health in more ways than one but you’ll need to avoid a few bumpy spots along the road.

By Sara Elliott

Sometimes six legs are better than two, but there are some things to keep in mind if you want to run safely and happily with your favorite pet.

By Sara Elliott

As far as places to go for a walk, Hawaii is a tough one to top. The Honolulu Marathon has no time limit, offers awards in the racewalk category and even features a festive pre-race luau to boot. What are five of the world's best walk-friendly races?

By Julia Layton

You might have heard that it's not safe to be a vegetarian while being a dedicated runner. Well, that's not true. You just need to follow a few basic rules to get all the nutrition you need.

By Laurie L. Dove

Running 26.2 miles (42.2 kilometers) isn't an option for most people -- many people don't even like driving that far. But for you long-distance runners looking for the ultimate challenge, check out our list of the world's biggest marathons.

By Emilie Sennebogen

You've got your running shorts on, your music playlist queued up, your water bottle filled to the brim -- it's time for a run, right? What's that, no shoes? A small but dedicated group of runners choose to train without footwear. Is barefoot running safe?

By Tristin Hopper

Each spring, serious runners from around the world travel to Richmond, Va., for a shot at a personal-best time on the friendly and flat course of the Monument Avenue 10K. But, aside from the actual competition, the event draws thousands of participants and spectators looking to take part in an atmosphere that includes costumes and roadside bands.

By Joanna Burgess

As a field, the legal community endures its fair share of lawyer jokes. But it's serious business when the American Heart Association teams up each year with Washington, D.C., attorneys to help raise awareness of stroke and heart disease at the Lawyers Have Heart 10K.

By Lance Looper

So, you're thinking about running a 5K race. If you've never run one before, those 5 kilometers might seem incredibly daunting. But countless others have done it before, and just a little bit of advice can help you get off of the couch and through the finish line.

By Meghan E. Smith

You bit the bullet. You took the plunge. You signed up for a marathon. Whether it's your first, or your 50th, you've got several months of training ahead of you. Even if you've done it before (perhaps especially if you've done it before!), marathon training can be daunting.

By Gerlinda Grimes

For many runners, finishing the 10K is a true landmark. It designates a dramatic improvement over the beginner-length 5K and represents some serious distance. So how do you become race-ready in just a few short months?

By Michael Franco

Running can be hard on your feet and legs -- you end up paying for all that impact eventually, right? Most serious runners can't avoid pain, but the key to managing it lies in knowing the kind of pain you're dealing with.

By Ed Grabianowski

We've all read about the positive health benefits of running. But despite articles, statistics and a pair of shoes right by the door, it's hard for some people to get going. There are a few tricks dedicated runners keep up their sleeves in order to stay focused, and they might work for you, too.

By Michael Franco