Scientists have long hypothesized about a theoretical limit to human energy use. The research, published today in Current ...

The metabolic ceiling represents the maximum number of calories that a body can actually burn. For humans, it is believed to ...

When ultra-runners lace up for races that stretch hundreds of miles and days, they're not merely testing their mental grit ...

Kilian Korth won the Moab 240 Ultra Marathon last night with a 240-mile time of 2 days, 3 hours, and 28 minutes (moving time). He only stopped for 7 hours ...

Six weeks after her Valentine’s Day run, Renee did another 50-mile fundraising ultramarathon in her neighborhood, this time ...

Runner Stephanie Case completed the 100-kilometer (62 miles) Ultra-Trail Snowdonia ultramarathon in 16 hours and 53 minutes, winning a race that also involves over 21,000 feet of climbing. Adding to ...

Ukrainian athlete Andrii Tkachuk has won a 24-hour ultramarathon held from 18 to 19 October, covering a distance of 294.062 ...

Kuplack participated in “The Mammoth” — a 214-mile race through the Eastern Sierras in California — with the hope to inspire ...

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 — ...

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 ...