Amby Burfoot

Running can give you a longer life, better sleep, improved immunity, mood, and more—it’s even good for your knees and lower back.

While Jeannie Rice and Jenny Hitchings are busy setting masters world records, their differences in training are even more instructive than their similarities

This 75-year-old runner might be the world’s fittest man at his age, so fit that researchers turned him into a case study

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

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.

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.

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.