Pennsylvania woman rips fast 40 miles for her 40th birthday

This runner took her birthday miles to the next level

Top 6 reasons ultrarunners are a breed apart

Ultrarunners’ brains might be wired differently (how else to explain it?)

After 113 straight ultramarathons, Candice Burt still isn’t done

Despite smashing the previous world record of 23 straight ultras months ago, Burt is still going after more than 100 days