As impressive as a 100km run might look to your Strava followers, the training required to cover extreme distances could irreversibly fast-track your body’s natural aging process.

Four months on from winning Britain’s toughest ultra-marathon, where she ran 268 miles across uneven Pennine terrain, Anna Troup reflects on her achievement with considerable modesty. “People keep ...

Extreme endurance running damages red blood cells in ways that may affect their ability to function properly, according to a study published in the American Society of Hematology's journal Blood Red ...

Given the long distance of these competitions, ultra-endurance athletes have to think about food they can carry. There are ...

Hang around the trail running scene long enough and you’re bound to meet a recovering addict who’s turned their life around and taken up running ultra marathons. The first ultra runner I ever met came ...