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

Ready to run an ultramarathon? Intrigued, but terrified? Ultra running might sound intimidating, but with a little preparation and the right mindset, it’s completely doable, and dare we say it can ...

It’s the start of a new year, and maybe you’ve always wanted to do an ultramarathon. If you’re a road marathoner, the jump won’t be all that much—an “ultra” is anything longer than 26.2 miles. The ...

Run Bermuda’s Backyard Ultra Race was held this weekend, inviting runners to test their endurance while also raising money for charity. A spokesperson previously said, “The local running event with no ...

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 ...

Stephanie Case won an ultramarathon race in Wales, running more than 60 miles over rough terrain — and stopping three times to breastfeed her 6-month-old baby, Pepper. In the sport of ultrarunning, ...

I’m covered in mud. Wet, sticky, mud. And blood, and salt from sweat and tears. But I’m still moving. Hobbling like I’m headed to breakfast in a nursing home, but moving, nonetheless. The wind blows ...

There are now officially two pro runners in the Harrison household. Jon Harrison — whose wife, Genevieve, has been sponsored by On running since 2021 — came into the Run Rabbit 100 last month hoping ...