This unique blend of trail running and pack burro trekking has been a sport since 1949.
Use these tips and tricks when you're out running the roads or traversing a new trail.
Get a glimpse of the Hardrock mystique by scrolling through the photos from this year's race.
The 2014 U.S. Mountain Running Team is set for the Sept. 14 World Mountain Running Championships in Italy.
Pack your running shoes and a bathing suit. Epic island running awaits!
America's ultimate ultramarathoner hopes to keep his undefeated streak alive.
Check out this awesome 11-minute tour of the famed 100-mile route!
Are you stuck in a running rut? Take your running where it's never been before--quite literally.
You'll need these 11 essential pieces of gear for mountain running.
As marathons continue to gain popularity, so to do ultramarathons. Are you ready to move up?