A California ultra runner 157 days into a quest to cross all 50 states on foot arrived at Broadway Square on Monday afternoon ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have long hypothesized about a theoretical limit to human energy use. Yet elite endurance athletes are constantly ...

Scientists provide proof that ultramarathon athletes’ red blood cells become less flexible after a long race, potentially ...

From muscle fibers to mental grit, here’s the science behind why some bodies can endure ultramarathons, while others hit the wall far sooner. Ultramarathons sit at the far edge of what the human body ...

Paul Johnson, a veteran and ultra runner, is known for his running adventures, like running across America and beating world running records in places like Antarctica. Now he's on his way to beating ...

Add Yahoo as a preferred source to see more of our stories on Google. United States ultramarathon runner Courtney Dauwalter runs through the mountains near Twin Lakes, Colorado. Dauwalter sits at the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. It's the original 100-miler, but that's not the only thing that makes this iconic trail race ...

Joasia Zakrzewski accepted a trophy for third place in an ultramarathon race. But she used a car for about 2.5 miles of it, a panel found.

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. BUTTE — In 2020, Wes Plate was like many other Americans during COVID who were itching to get out ...

At the age of 82, ultramarathon runner Bob Becker from the United States returned to southwest China's Gaoligong Mountains ...

I am not a natural-born runner, but I ran my first ultramarathon just before turning 50. Here’s how I finally got consistent ...