If marathons are starting to feel boring but ultras seem like a lot, this list of the most challenging races is for you.

ORLANDO, Fla. — Sometimes, the craziest and most far-fetched of my ideas are hatched with a simple question: Why not? That is precisely what I asked myself when I saw the announcement of the Wild ...

When Krissy Moehl first told me years ago about a crazy new race she had just won in Europe--a 100-miler that started and finished in Chamonix, France, and circumnavigated 15,777-foot Mont-Blanc--I ...

Although summer began last week, Race Breck’s Summit Trail running series is now more than halfway through its slate of five races. A week after rain pelted cyclists as they rode on the trails that ...

Hours into a trail run, the temperature suddenly drops 10 degrees and the windchill makes it feel another 5 degrees colder. You have a jacket on, but its mesh panels let those gusts go right through ...

The controversial American distance runner beat the first male finisher by seven minutes and set a new women’s course record ...

Before he was Bart Yasso the endurance-athlete legend, he was Bart Yasso the Fountain Hill paperboy. He grew up traversing the Lehigh County borough’s steep Dodson Street, bringing folks their ...