It’s the start of a new year, and maybe you’ve always wanted to do an ultramarathon. If you’re a road marathoner, the jump won’t be all that much—an “ultra” is anything longer than 26.2 miles. The ...

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, ...