Fit to Last
Heart-rate training is the key to gauging your aerobic intensity and building endurance. Here's how to get started.
Train like a pro with tips from Ryan Hall, Mark Curp, and coach Matt Ebersole
Everything you need to fuel up for the race
Everything you need to run a personal best, including a 12-week training plan, a race-day nutrition plan, and advice from U.S. record holder Ryan Hall
12-weeks to your best half marathon, whether you’re a beginner or a seasoned pro
Training with a monitor can be daunting to master, but it’s the best way to make the most of your workouts.
You live to set new PRs at events, at races, and on local trails. Even more, you obsessively analyze and share training data.
Welcome to the frozen, on fire, wet, barb-wired world of Tough Mudder—where adventure racing starts to look a lot more like hazing
Everything you need to finish strong
Train. Suffer. Repeat.
A former Boston Marathon champ reads and digests the newest research on the science of exercise
An easy, dramatic performance boost based on an old science is catching on. It's about time.
Cross-country skiers share the 12 secrets of a successful Birkebeiner race
With temperatures below zero, more than 4,500 feet of climbing, and 9,400 competitors, Wisconsin’s American Birkebeiner is the largest and one of the toughest cross-country ski races in the United States. Crossing the finish line is nothing short of a lifetime achievement. Here's our plan to get you there, even if the closest you've come to snow is the frost in