Training often feels like a constant dance of decision-making: how to fuel, when to recover, and what paces to run. Trying to determine the types of workouts you need based on your current fitness ...

When the opportunity to run the 5th Avenue Mile in New York City came around this year—they have a media mile in which Runner’s World editors can participate—I had already been about six weeks into ...

Welcome to Trail Tested, a new monthly column from entrepreneur and athlete Jack Espy as he trains for the grueling Leadville 100 ultramarathon this August. Trail Tested will follow Jack along his ...

Having a 1-mile time to be proud of is a benchmark that many runners and hybrid athletes strive for. It's the perfect distance to improve your aerobic engine, anaerobic power, pacing, and running ...