So you’ve run a marathon. Or several. That’s a huge accomplishment. But if you’re reading this, at least some microscopic corner of your brain is maybe considering running your first ultramarathon.

Weeks into training for her first trail ultra, Jennifer Heckman wondered what she ever saw in those crowded urban marathons on pavement. The trails were so peaceful and serene! But then the long runs, ...

We sat down with the record-setting ultrarunner to find out about the mind game, training, and fueling that led to a total 560 miles. In La Quinta, California, Camille Herron walks out to the starting ...

Running 100 miles might sound difficult, and that’s because it is – but some people make it even harder than it needs to be. The advice below is going to help you to make the first 80 miles as easy as ...