The 2018 Boston Marathon champion was running in the mass field after finishing the six-stage Marathon des Sables last week.

The 135-mile Badwater ultramarathon in Death Valley accepts no more than 100 runners each year. Here's what it was like, according to two finishers.

After four days, the G1M Ultra came down to a battle between two athletes surpassing the 300-mile mark.

Three runners arrived at MedStar Health’s South Baltimore physical therapy clinic April 15,  refueling with soda and orange ...

Camille Herron, 42, is one of the world's top ultramarathon runners, having set 12 world records and becoming the youngest woman to reach 100,000 lifetime running miles. But now, the American athlete ...

CAPE GIRARDEAU, Mo. (KFVS) - A Cape Girardeau business owner is impacting the community in two completely different ways and ...

MedStar employees and an ultramarathon runner run 170 miles across Maryland and D.C. to promote movement as medicine and ...

A runner aims to spend over 24 hours on his feet taking on a 108-mile (174km) ultramarathon challenge to raise money for ...

David Parrish, 35, was found dead on Saturday at around 10.25pm in the Kintail region after mountain rescue teams launched a ...

Add Yahoo as a preferred source to see more of our stories on Google. The Independent's senior fitness writer Harry Bullmore ...