For those who prefer their punishment dished out in thirds, wearing a Lycra one-piece, with medical tents and ice baths at the ready, there is Ironman. Elizabeth Weil dives into the sea of hardbodies in Kona, Hawaii, for the grueling world championship.
THE UNDISPUTED KING OF DOGSLED TOURISM (IN POIKKIJÄRVI, SWEDEN)
In Scandinavia, mushing is only as old as cable TV. Yet Kenth Fjellborg, who once wrangled dogs for Van Halen, has attracted countless adventure travelers aching to blaze the tundra with a pack of spirited huskies. By Stephanie Pearson
HEALTH AND FITNESS REPORT
FREEZE! DROP YOUR DUMBBELLS AND RESISTANCE BANDS AND PUT YOUR HANDS WHERE WE CAN SEE THEM. NOW!
Chances are some bogus training advice has wormed its way into your fitness regimen. Time to root it out. Here are the ten performance myths holding you back, from pre-race stretching to the evils of high-fructose corn syrup. By Gretchen Reynolds
Following an immaculately staged Olympics in 1984, the Yugoslavian city was on its way to being a world-class destination for alpine sports. Then the country was torn apart. Now a new generation of rippers want to put their parents' war behind them and revitalize Sarajevo's famous resorts. By Dimiter Kenarov
First Look: Last year, an estimated one million people propelled themselves down courses riddled with burning hay bales and razor wire. Nick Heil tries to make sense of America's new racing obsession.
News from the Field: An ice-hockey-ski-cross mashup; a quick-energy inhaler; and renting a whole ski resort.
Survival: More and more hikers are finding trouble in Utah's Blue John Canyon, where 127 Hours was filmed. Is Aron Ralston to blame?
Epic: Freya Hoffmeister has already kayaked around New Zealand, Iceland, and Australia. Now the 47-year-old paddler is taking on South America.
Media: Two new novels explore the darker side of rural living. Also, the untold story of a 19th-century balloonist who perished in search of the North Pole.
Backcountry Launchpads: From Jay Peak in Vermont to the Alaska Range, we round up nine cozy winter lodges that put you slopeside for La Niña's best powder dumps.
Journeys: Bhutan is slowly opening its borders to travelers—here are the best biking and hiking trails. Plus: Surfing in Sri Lanka.
Covet: Rapha, known for its aesthetically pleasing cycling wear, brings out a high-end espresso machine ... and crushes it.
Coatrack: Our roundup of winter jackets will steer you to the best cold-weather protection.
In Bounds: A pair of ski poles with an embedded inclinometer, the perfect merino wool midlayer, and other tried-and-true accessories for the season.
Comfy gear for off the slopes—and a primer on appropriate resort-bar behavior.
Is Tom Chapman a misunderstood property-rights activist or a land-grabbing opportunist intent on holding America's wilderness hostage? Kelley McMillan reports.
Skin head. Boil. Stuff with sand. Mary Roach traces the sometimes gruesome, always bizarre history of shrunken heads from South America to U.S. museums.
BETWEEN THE LINES