I am not a natural-born runner, but I ran my first ultramarathon just before turning 50. Here’s how I finally got consistent and learned to love running.

UTMB has cut elevation and made significant course changes, once again stirring up controversy while continuing to sell bibs ...

Just after 10 a.m. on August 28, more than a thousand runners surged from Orsières, Switzerland, toward Chamonix, France, to compete in the prestigious Orsières-Champex-Chamonix (OCC) ultramarathon.

HealthDay News — Ultra-endurance running accelerates red blood cell (RBC) aging through inflammatory and oxidative pathways, according to a study published online Feb. 18 in Blood Red Cells & Iron.

Editor’s note: We asked our European correspondent, Doug Mayer, to unpack the legendary Ultra-Trail du Mont-Blanc course for us. Mayer, who lives just a few minutes from the start and finish of UTMB ...

The air was electric in the French mountain town of Chamonix during the 6 p.m. sendoff of UTMB, Europe’s most famous ultra-running race. Among the approximate 2,300 runners on the start line, Logan ...