Ultrarunner Rachel Entrekin’s historical performance at the Cocodona 250 mile race this week calls us to question our own ...

For decades, the idea of a sub-two-hour marathon occupied a near-mythical place in endurance sport. Like Roger Bannister’s ...

At the end of a marathon, the first runners crossing the finish line are most likely going to be men. In fact, men tend to outperform women by 10-12% in regular marathons. However, research shows that ...

The Pacific Crest Trail is a ribbon of dirt that stretches through California, Oregon, and Washington from the Mexican border to Canada. It passes through some of the most imposing terrain in the ...

A new study is raising questions about whether human endurance has biological limits shaped long before adulthood—possibly ...

After the 2022 Tour of Flanders, a photo circulated on social media showing a detailed nutrition plan carefully taped to race winner Mathieu van der Poel’s handlebars. Some rough math indicated that ...

MIKE WARDIAN IS the picture of health. At 45, he’s been a professional ultrarunner for 16 years. He races 50-plus times annually, covering around 200 miles a week. He’s six feet tall, weighs 145 ...

Overall and Airbnb Endurance Challenge points leader Oscar Tunjo has a third chance to finally get a COTA win on his resume ...

Researchers investigate how birth weight determines kidney function changes following prolonged physical activity in ...

My mother was holding a stuffed monkey on her lap. She was nuzzling her nose against its nose, clucking and cooing at it as if it were a small child. “Hi,” I said from the edge of the room, my ...

Correspondence to Dr Nikola Drca, Department of Medicine Huddinge, Karolinska Institutet, Stockholm 141 86, Sweden; nikola.drca{at}ki.se Objective Previous studies have found that endurance sport ...

Being a business owner takes a certain type of resolve. The celebrated tech startups and multi-million dollar investments we read about aren’t because of a few quick business sprints. Instead, they ...