A Firsthand Account of an Adventure-Racing Tragedy

As the big-name adventure race returns from a five-year hiatus, former competitor Rebecca Rusch remembers the 2004 accident that killed her friend and shook her faith in the sport.

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.

A Death at Tough Mudder

The drowning of Avishek Sengupta at an obstacle challenge last April was ruled an accident, but his family and friends believe that the sport’s most prominent company did a terrible job of monitoring...

The Most Extreme Summer Sports: Flyboarding

Not all of these extreme sports may actually kill you, but the imminent sense of death they instill is what makes them so thrilling, and makes us unable to look away