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Iain Mickle ran under 3 hours at the Cal International Marathon… more than 42 years after his first sub-3.

Like an old friend, this stick of personal lubricant is always there when you need it, through the good times and the really awkward ones

A new analysis tracks people doing 35 hours of exercise per week for a decade, and finds no evidence of heart risks

After Kirstie Ennis lost her leg, she climbed some of the hardest mountains in the world. And she’s just getting started.

Scientists can forecast marathon performance fairly accurately. But for longer distances, things get complicated.

"Avoid pooping your pants at all costs"

Roberta Groner and Sinead Diver reflect on what it means to be “young in running years” 

Following a breakthrough in shoe design, the IAAF might have to start regulating footwear. We asked the best runners in the world for their two cents. 

The Olympic Trials are only a few months away, but Des Linden and Jared Ward aren't afraid to hammer the streets of New York

The Swedish company Maurten's hydrogel drink has taken the endurance world by storm over the last two years. Now scientists are testing their claims.

Tune in to the hotly anticipated race on November 3

Maggie Guterl became the first woman to win the Big Dog Backyard Ultra, the race with no end

What you choose for racing shoes depends on the distance, your fitness—and what you like to feel underfoot.

After a career that brought numerous national titles and American records, she will continue on as a professional coach for the Bowerman Track Club

I got a lot done. (OK, a little done.)

Pushing the pace downhill is tempting, but carries a cost that negates any time gains. Here's why.

Five elite marathoners from around the world detail their pre-race meals and in-race fuel—and their diets are surprisingly similar.

Performing under unprecedented pressure, the Kenyan became the first human to run a marathon in under two hours

The two-hour barrier and the women’s marathon world record both fell this weekend. The history makers, Eliud Kipchoge and Brigid Kosgei, have one obvious thing in common.

34-year-old Eliud Kipchoge ran 26.2 miles in 1:59:40 on a tree-lined avenue in the heart of Vienna Saturday morning, surrounded by pacemakers and cheering crowds.

A new study quantifies the time gained and lost from the geography of the INEOS 1:59 Challenge course, and suggests that you don’t need to sweat the curves

Their coach might have been sanctioned, but Nike Oregon Project runners are slated to compete this weekend

After switching from marathons to ultras six years ago, Boulet continues to blow away the competition

Bekele’s manager, Jos Hermens, talks candidly about how the champion prepared since May for his comeback performance, plus Kipchoge's chances for a 1:59.

A handful of new products are claiming they can. The jury's still out on whether they deliver enough of an edge to justify the agony.

Distance running’s G.O.A.T. is unpredictable and flawed. Just like the rest of us.

A new documentary follows two Western athletes as they travel to the Hermit Kingdom to participate in its only sporting event open to foreigners

Yes, raw speed helps. But it isn’t everything.

This weekend, the world’s best mountain runner sets his sights on Pikes Peak

We tested three new kicks that incorporate the controversial feature

A new study reveals that rising temperatures are having a real impact on marathon times.

A pair of presentations explore the biomechanics of the controversial shoe, and whether it wards off marathon-induced muscle damage

She's the first person to finish the Leadville Race Series and the Grand Slam of Ultrarunning in a single season

Following months of uncertainty, the most exciting marathon on U.S. soil has been upgraded to “Gold Label” status. Here’s what that means. 

A new study finds that your “critical speed” threshold drops in the last third of a marathon, which may explain why the distance produces so many blow-ups

How I rediscovered the joy of trails and muddy shoes following a skin-cancer scare

Gene Dykes, the world’s fastest 71-year-old marathoner (2:54!) says yes, and tells how he combines frequent ultras and fast marathons.

Your head is pounding, your muscles are cramping, and your heart is racing. Then you get dizzy and the vomiting starts. Heatstroke kills thousands of people every year. This is what it feels like—and how to know when you’re in danger.

The history of the oldest women’s-only race is the story of progress, but also of missed opportunities

Hydrogels, electrolytes, and drink frequency top the list at this year’s ACSM conference

Or how running and meditating both led one woman to the same unexpected place

When you’re in your fourth decade, you’re still young enough to run a personal best. But it’s also the beginning of the end.

You might not like his style, but Sir Mo gives his sport some much-needed attitude

Pico started running and climbing mountains ten years ago, after losing her foot to cancer

Data from the last world championships suggests you shouldn’t be concerned about your foot strike, no matter how you land

It’s tastier than gels are... and that’s the main selling point

Roger Robinson’s 'When Running Made History' sets a new standard for books about the sport

A blind runner finished a half marathon for the first time using only guidance from a dog thanks in large part to the Ruffwear Unifly—the biggest development in guide-dog harnesses since they were invented nine decades ago

Running coach David Roche shares his training tips

After vanquishing all his human competition, the world’s best marathoner will again take on the clock

Last year, Dykes set the marathon record for his age group—only to find that it didn't count. But he's not giving up.

The media needs to get better at “personalizing” the best runners on the planet

Throw “tapering” out of your vocabulary and peak for your next marathon by carefully tweaking volume and intensity.

New research suggests that a month of probiotic supplementation reduces GI symptoms in runners

Why the top American in Monday’s Boston Marathon is all about training transparency

After a string of injuries, Jordan Hasay and Dathan Ritzenhein are itching to race again

No external flourish can match the thrill of pushing your body to its limit

These babies keep you warm, block wind, and shout from the depths of your closet, “Let’s go already!”

What kind of sadist creates the hardest race in the world? We sent our writer to find out.

Yes, the physiology and biomechanics of treadmill running are a little different. But how you feel about it is probably more important.

Tune in to the highly anticipated race on April 15

When my wife tried to kill me, when I went to jail for battery, and when I finally tried to take my own life, there was one thing that kept me from unraveling

In an excerpted chapter from his new memoir, '26 Marathons,' the road racing legend recalls the first time he ran America’s most famous race

At the 2019 Los Angeles Marathon, Adam Gorlitsky will set out to become the first American paraplegic to walk 26.2 miles—and bust his British rival's 36-hour time in the process. But his real dream is to bring assisted mobility to people with disabilities.

A new statistical approach brings sophisticated probability analysis to the future of marathoning

The new running standards are ridiculously complex. Here's what that means.

The oldest woman to swim the English Channel wants to continue knocking off marathon swims into her 80s

Downhill running takes a toll on the body, but you can train your body to better handle the load—and snag that PR.

Want to see more people on bikes? Get over yourself and the rest will follow.

Scheduling two races close together can create rewarding new challenges but requires strategic training and a flexible, positive attitude.

New world record for 10 marathons in 10 days? Check! Here's how Wardian is consistently one of the most prolific and successful ultrarunners of all time.

In advance of her marathon debut, we spoke to Sisson about racing, recovery, and what it’s like to have Molly Huddle as a training partner

A detailed analysis of historical Boston results wades into the long-running debate on sex differences in endurance

In the age of specialization, it’s refreshing to see a big name get outside his comfort zone

Keep it simple. Consistency is key. Get out of your own way.

More fat shoes, farewell to Flanagan, and the continued dominance of Kipchoge

Plotting top-100 marathon times for the past decade shows that Eliud Kipchoge’s world record is a huge outlier. The question is why.

From big-wall climbers to surf champions, these are the most dedicated, successful athletes of the year

From New York to Phoenix—and from 5 kilometers to 500 miles

The race is a celebration of the amateur athlete