Training

Behind any successful training program is the simple but necessary rule of progressive overload. Here's how it works.

This treadmill workout helps you practice pace control with the power of progression

Building strong glutes prevents injuries and boosts performance, so why are you skipping leg day?

Dealing with painful shin splints involves rest and strengthening your hips and calves

Rally your closest running friends—it’s time to build a Ragnar relay team and experience trail running in a whole different way

Cold weather can seriously affect your running performance. Here’s how, plus ten ways you can reduce the impact

This 50-minute treadmill workout gradually builds both interval time and incline to threshold level for a challenging indoor session

Our strength-running coach recommends occasionally going off script to reach your running goals

AI is improving with hyperspeed sophistication. Can it prepare you for the most beloved marathon in the world?

Sebastian Salsbury has been running ultramarathons since he was nine years old. Now, this California teen wants to compete professionally—and win.