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 ...

Move over Dunkin’ — America runs on Taco Bell. Or at least a certain subset of iron-gutted ultra-runners does. On Saturday, Oct. 5, about 1,200 registrants are expected to toe the line at the eighth ...

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 ...

MONTEREY – There will be moments they’ll hallucinate and almost fall asleep while attempting to move their legs on a midnight trail where the only light to guide them comes from the lamps on their ...