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

The research, published today in Current Biology, showed that ultramarathoners can burn an astounding 11,000 calories per day ...

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

More than 700 runners took part in a 50k run based on Taco Bell locations in Denver, Colorado for an annual race.

If you came in search of motivation today then you have come to the right place. David Park started running around 450 days ago and worked out like David ...

The 8th edition of the International Taco Bell 50k Ultramarathon took place in Denver on Saturday, Oct. 4, 2025.

The “Diablo Challenge,” the New York Post reported, requires participants to spice up their orders with the restaurant’s hottest sauce and take a piquante “shooter” at the finish line. The “Baja Blast ...

The "Taco Bell 50k" in Denver, Colorado is the "World’s Most Gastricly Demanding Ultramarathon," according to organizers. See the unhinged rules.

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

More than 1,200 people signed up to participate in a Taco Bell 50k ultramarathon. The 31-mile race, not associated with the restaurant, challenges runners to stop at 10 Taco Bell locations in the ...

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

Billy Halloran knows the woods well in Myoko, Japan; he goes there for regular walks, runs, and even raced an ultramarathon ...