Easy running, by definition, should feel easy. But as any runner knows, those long, slow runs can sometimes be the most difficult of a training program—both mentally and physically. Some good news: ...

Long runs are an essential part of any race-training plan, whether you’re prepping for your first 5K or your tenth marathon. The distance you rack up during these sessions may become daunting, but ...

While hill workouts and hills sprints sound interchangeable, they’re actually different things. Both are massively beneficial. Today we want to give you concrete ideas to get out and start building ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. New perk: Easily find new routes ...