There is nothing fun about this running progression, other than when it is done. Once you have improved your running pace with 400- and 800-meter goal pace repeats, the next challenge is to take it up ...

Few of you are coming to me with a focus on your one mile pace, so we’re looking at running workouts that are going to test your speed and improve your endurance. There are tons of ways to incorporate ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. A running habit ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you've ever done a track workout before, you know it's incredibly satisfying to fly down the lanes and ...