Spine Race runners will have 156 hours - 12 hours less than this year's cut-off time - to finish a single non-stop 268-mile ...

Comfort is king when it comes to ultra trail running shoes. These are the shoes you should be able to rely on over long and arduous miles. The right shoe should make you feel like you can keep going ...

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 ...

In the sport of ultrarunning, athletes often defy human limits. But at a recent 100-kilometer race in Wales, one runner took it to another level. As seen in photos that quickly went viral, runner — ...

Exercise is a cornerstone of good health and evidence shows it can even help prevent cancers returning following treatment. But new findings are raising an unexpected question: could very high-volume ...

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 ...

Correction: A previous version of this article misattributed quotes from Kevin Mathieu and Timothy Sullivan. Sure, vomiting is allowed. Discouraged but allowed, according to the bylaws of this ...

It took about 18 miles for Benny Hickok to realize exactly why the race earned the designation as Indiana’s “toughest trail race.” For starters, the trails guiding racers through the Owen-Putnam State ...

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 ...

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 ...