A participant in a recent Tough Mudder race crawls in the mud under live wires. (Getty images)
Warning: Before you attempt this year's trendiest workout, you may have to sign a death waiver.
No, seriously. Adventure racing--a workout event that combines hardcore endurance training (cross-country running, climbing) with reality-TV-like, into-the-wild challenges (obstacle courses, mapping)--is quickly becoming one of the nation's fastest growing outdoor sports, according to everyone from Outdoor Magazine to Forbes. It's also one of the most painful. Barbed wire, freezing dipping pools, and even 100-miles of rugged terrain with little more than a compass for navigation serve as obstacles in the growing number of team races being offered around the country for both triathletes and amateur goofballs alike.
Though it was originally designed for super-athletes (your 'Iron Man' types, Navy Seals), in the past two years, courses have been modified for amateur daredevils who want in on the action. Instead of 100-mile courses, many adventureRead More »from So long, Soul Cycle: "Adventure Racing" will be 2013's most popular, painful, obsessive-crazy workout