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The ultrarunning multi-world-record holder talks about sustaining longevity and the biggest thrill of her illustrious career

The legendary naturalist-ultrarunner discusses his highs and lows over decades of training, running a 50K at age 81 after a car accident, and what comes next

New big-data study digs into hitting the wall in the marathon, revealing who is most likely to crash, when, and how much it will cost you.

The Olympic medalist turned coach didn’t have time to fully prepare and almost burned out mid-quest. Here’s how she adapted and finished strong.

The historic fall running of the Boston Marathon will place it alongside the 100th in 1996 and Boston Strong in 2014 as most memorable.

Jeannie Rice was among headliners in the Age Group World Championships at the London Marathon. She shares how she's faster in her 70s than she was in her 60s.

In large population studies, glucosamine-chondroitin, long taken to ease runners' joints, is linked to greater longevity.

Taking walk breaks during your runs is a proven method to go farther with less risk, whether you’re a beginner or an elite runner.

Meet Bernd Heinrich, naturalist, author, and ultra runner. He lives off the grid, climbs trees with great glee, and can still run hard at 81.

Endurance-science experts explain the world record holder’s incredible marathon dominance

Two studies analyzed 7 years of training done by Olympic gold medalist Jakob Ingebrigtsen and his two stellar siblings. Here's what the researchers found.

Here's how the septuagenarian has trained his body and mind to face the challenges of the WS-100's difficult course and expected blistering heat.

Webb talks with us as he takes aim at Grandma's Marathon, fresh off a 1:13 half marathon after using pandemic time to redefine his physique.

World Athletics looked into eight years of performance improvements, and some crazy statisticians from Cornell reviewed thousands of web photos — and they have numbers.

The former Wired editor, now CEO of The Atlantic, Nicholas Thompson is busier — and faster — than ever at 45. Here's how the new age-group American 50K record-holder does it.

Just in time for summer, a new paper outlines everything an endurance athlete should know to stay safe and race strong in sweltering heat.

The hype of HIT has been around for years. Now we can also see the limitations. Here are nine rules for runners to use high intensity training productively.

The author of Out of Thin Air lived and trained with Ethiopian distance runners for 15 months and gives us an insider look at their lifestyle and culture.

Youth running popularity is growing, and while experts find no major issues, girls face higher health risks.

Physiology journal report reveals how lifetime sub 3-hour marathoners declined less than 7 percent per decade.

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