Learn more about the impact ultramarathon running has on red blood cells and how it may do more harm than good for the body.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Adidas Terrex Agravic Speed ...

Middle-distance runs on mixed Peak District terrain reveal a shoe that feels purposeful – but not without compromise ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. It's the original 100-miler, but that's not the only thing that makes this iconic trail race ...

Recent studies have examined the health risks associated with ultrarunning, primarily focusing on the cardiovascular system, kidneys, and bone and muscle damage. But endurance activities also impact ...

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 ...

By Dennis Thompson HealthDay ReporterTHURSDAY, Feb. 19, 2026 (HealthDay News) — Ultra-marathon runners must be incredibly fit to endure races that can extend more than 100 miles, but their bodies pay ...

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 ...

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 ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Entering the ultramarathon scene can be daunting, especially for casual runners who have never ...