worlds toughest mudder
1,000 racers. 24 hours. One goal. This isn't like any Tough Mudder you've ran before.
You’ve seen the pictures of the Mudders. Soaked. Mud-caked. Bleeding. Hell, you may have even been 
man running in winter
Don’t get lazy just because it’s cold outside. Here’s how to stay motivated to run through winter—so that your first spring race doesn’t feel like hell.
In winter’s bitter temps, the thought of lacing up your shoes for a run ...
CrossFit Push Up
Break up routine and test yourself with one of CrossFit's benchmark workouts - the Baseline WOD.
Editor's Note: Mike Simone Instead of sticking to your day-in, day-out ...
running NYC marathon supplies to Hurricane Sandy Victims
Hundreds of would-be NYC marathoners put months of training to use, running supplies to Hurricane Sandy victims around Staten Island.
Talk to a guy training for the NYC marathon a week and a half ago, and ...
firefighter pulling hose in Firefighter Combat Challenge
Forget the Tough Mudder. Fitness trainer and firefighter Michael Medeiros answers our questions about this 5-stage obstacle course—and how insanely fit you need to be to compete.
You’ve heard about multi-mile obstacle course challenges like Tough ...
Marshall Ulrich Death Valley California
Find out how he survived and succeeded in circumnavigating the hottest place on earth.
Endurance athlete and Badwater Ultramarathon champion Marshall Ulrich, who has run across the country and climbed the Seven Summits, knows how to suffer—and ...