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

A study shows ultramarathon running induces oxidative stress and structural damage in red blood cells. Multiomics analyses ...

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 ...

In Delhi, community often begins with a shared table, a shared book, and as it turns out, with a shared run. Delhi Run ...

Why overdoing extreme endurance running might not be good for you - Scientists provide proof that ultramarathon athletes’ red ...

When the weather is gnarly or the trail sodden, a pair of waterproof trail running shoes makes a run way more pleasant. Here ...

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 ...

Running extreme distances may strain more than just muscles and joints. New research suggests ultramarathons can alter red blood cells in ways that make them less flexible and more prone to breakdown, ...

Running has always been cool, and the gear is now caught up ...