Multisport

Mud Running's Biggest Hurdle

Mud Running's Biggest Hurdle

Will leaping fiery hay bales amount to nothing more than an adrenaline-fueled fad? Or could it one day become an Olympic sport? That all depends on what comes next.

The Skydiving CEO Who Cheated Death

The Skydiving CEO Who Cheated Death

After a skydiving accident in October 2013 left Squaw Valley Ski Holdings CEO Andy Wirth without a right arm, he didn't quit charging. Now, Wirth lives a life of Ironman racing and adventure. As told to Gordy Megroz.

The Science of Conquering Your Greatest Fears

The Science of Conquering Your Greatest Fears

It may be the oldest emotion. Before happiness, before sorrow, before exhilaration, and way, way before the urge to climb mountains and bomb down steeps, there was fear. Now scientists are finding new ways to help us conquer our deepest anxieties—and use them to perform even better.