How Runners Are Training for the Barkley Marathons

100 miles, 66,000 feet of climbing—how do you even train for that? We asked a few athletes to find out.

Featured Races

How to Train for a Fast, Flat Ultra

Some top ultrarunners say speed work is their most valuable tool over flatter, faster courses—even when those courses are 100 miles long

Ultrarunning

Feeling Frozen

How to avoid hypothermia and the dangers of getting chilled, clumsy and confused

Trail Tips

Ask Timmy Olson: Paleo, Pacing and Kid-Assisted Strength Training

The trail-running pro answers reader questions on training, racing and diet

Trail Tips

How to Ace Europe's Hardest 100-Miler

Shorter-distance specialist David Laney came in 3rd at the notoriously tough UTMB, through relaxed—rather than regimented—training

Ultras

Race Back to Back (to Back): Wisdom From a Speedgoat Triple-Header

We talked to Timothy Parr about his Speedgoat “triple” and what it can teach us about running races close together

Trail Tips
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