There's no sense of chaos or all-out suffering as the defining feature of her sport, even though she competes in one of the most punishing disciplines in endurance athletics: 100-mile trail races ...

Amazfit has launched the Cheetah 2 Ultra, a new ultra-running watch for off-road enthusiasts.

Amazfit , a leading global smart wearable brand owned by Zepp Health, today announced the Cheetah 2 Ultra . Building on the momentum of the recently launched Cheetah 2 Pro—designed for road ...

I was working a race last summer and chatting it up with those around me. “Have you ever done an ultra?” a lady asked me as we handed out race packets and welcomed athletes, the sun peeking above the ...

Researchers tracked ultra-runner Joe McConaughey at the 2022 Cocodona 250 ultramarathon to measure how much energy the human body can burn during extreme endurance event. When ultra-runners lace up ...

Whether you’re lacing up your running shoes for your first parkrun or chasing a new personal best, choosing the best running ...

Let’s say you’ve completed a marathon or two, and you’ve decided that you want to take your running to the next level. You decide to try an ultramarathon, such as a 50-mile race or 100-mile one. Or ...

From muscle fibers to mental grit, here’s the science behind why some bodies can endure ultramarathons, while others hit the wall far sooner. Ultramarathons sit at the far edge of what the human body ...

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Her arduous journey to the championship mirrored the path Chi took en route to becoming a professional athlete. Her talent for long-distance running, discovered in middle school, helped her gain entry ...

When ultra-runners lace up for races that stretch hundreds of miles and days, they're not merely testing their mental grit and muscle strength—they're probing the limits of human biology. Reporting in ...