Endurance

Your Personal Peloton

Cycle,surf, ski, climb—13 apps that put you a click away from the beta you need, including Strava.

Obstacle Force

When 34-year-old Hobie Call lost the Death Race this past August, he also lost his chance to win $100,000 for sweeping the Spartan Races. So why does he keep competing?

Critical Mass

Americans are lining up for marathons, triathlons, and adventure races in record numbers. Here are 15 of the nation's premier races and the best reason to enter each one.

Triathlons

Americans are lining up for marathons, triathlons, and adventure races in record numbers. Here are five of the nation's premier triathlons and the best reason to enter each one.

Adventure Races

Americans are lining up for marathons, triathlons, and adventure races in record numbers. Here are five of the nations premier adventure races and the best reason to enter each one.

Multisport Tracker

Seven iPhone and Android apps to help you keep up with your training schedule, including the Endomondo Sports Tracker Pro multisport app.

Bike Booster

Seven iPhone and Android apps to help you keep up with your training schedule, including the Cyclemeter road biking app.

Singletrack Search

Seven iPhone and Android apps to help you keep up with your training schedule, including the Trailhead mountain biking app.

Triathlon Talk

Seven iPhone and Android apps to help you keep up with your training schedule, including the Epic Runner marathon app.

Hit the Road

Seven iPhone and Android apps to help you keep up with your training schedule, including the GPS Run/Cycle/Walk Tracker Pro app.

Bodywork: Pulse

Outside brings you the hottest fitness and health trends for summer, including how to boost your Vitamin D, improve your cycling workout, and the benefits of swearing.

Hot Tip: Workout in Hot Weather

Outside brings you the hottest fitness and health trends for summer, including how to improve your cycling workout.

By the Numbers: 56

Outside brings you the hottest fitness and health trends for summer: reduced mountain bike injuries.