Check out these well-known challenges that runners take on in our national parks.
Take these top tips to heart heading into your next ultra.
Are you familiar with the ultrarunner's lingo?
The Ultra-Trail du Mont-Blanc and its sister races are drawing more Americans than ever.
The two-time Western States champion recently released his first book, Hal Koerner's Field Guide To Ultrarunning.
Here's what it means for those wanting to do the popular Rim-to-Rim-to-Rim run.
One of ultrarunning's most accomplished stars shares his philosophy on long runs, strength training, improving your technical skill set and
The Colorado native shares some details about his training and also provides some tips for Leadville rookies.
Badwater Ultramarathon champion Harvey Lewis has a penchant for endurance-related adventures.