Ultrarunning

16 Weeks to Your First 50K

A guide to running your first 50K including key intensity workouts and a free 16-week training plan.

Ultramarathon Tip: Succeed by Limiting the Negatives

Jason Koop explains why almost anyone can finish an ultramarathon.

The Top 4 Training Mistakes in Ultrarunning

Where does training go wrong for ultras?

Photos: 2016 Zion 100 Miler

Check out these awesome shots from a muddy day in one of America's coolest national parks!

A Runner’s Guide To Conquering The Grand Canyon

What you need to know before you go.

Photos: 2016 Way Too Cool 50K

Check out these awesome shots from one of the country's most competitive 50Ks!

Video: Three American Ultrarunners Triumph at Mont Blanc

Enjoy this 22-minute documentary by Los Angeles-based filmmaker Billy Yang, who chronicled the adventure.

Western States Endurance Run Announces Zero-Tolerance Doping Policy

The announcement comes after two recent uproars surrounding convicted dopers.

Ultrarunners Chase Wolverines in Citizen Conservation Project

A conservation group founded by National Geographic Emerging Explorer Gregg Treinish has recruited ultrarunners to help search for

Photos: A Glimpse Inside The Volcano Ultra Trail Races in Chilean Patagonia

With new trail races appearing almost annually, Chile become a prominent ultra-distance mountain running destination. The Volcano Ultra

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