Imagine you’re in the thick of marathon training and your 18-miler falls on the weekend you’re going to be on vacation with your family. You have a 9 a.m. tour planned, so you figure you can get in a ...

Long runs are the cornerstone of distance training. They build endurance, prepare your body for race-day miles, and sharpen the mental toughness needed to close out difficult challenges. But for many ...

Confession: In my decade of distance running, I’ve never done a long run on any route but an out-and-back. I refuse to run eight or more miles in one big circle around town, or in multiple loops. And ...