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

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

Scientists tracked 14 elite endurance athletes for a year and found a metabolic ceiling: no one sustained more than 2.5× ...

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 ...

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

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

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

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

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 ...

LEAF Studio’s Ollie Yeats completes 33-mile Maveric Jurassic Coast ultramarathon to inspire students and raise funds for the ...

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

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