The Challenge

This week on The Challenge we explore the backcountry with freeride skiers, then hit the slopes with ski cross, and learn why competitive Alpine skiing is the original extreme sport.

This edition is all about reaching the highest heights: paragliding, hot air ballooning, speed flying, and all the action of Air Race 1

Endurace is the name of the game this episode as we ride mountain bike trials in the Himalayas. Then it's to the wilds of Romania for the 4 wheel drive, off-road adventure, the SuperKarpata.

This edition we investigate the crazy world of Crashed Ice, tackle icy tundras with some sled-heads on skidoos and ski down - and up - the Alps, in ski mountaineering.

The Challenge goes to Sweden where teams of athletes take on one of the toughest one day races in the world, the Ötillö swimrun. We visit Sipi River Lodge at Mount Elgon in Uganda and follow the Absa Cape Epic mountain bike stage race in South Africa.

The Challenge takes to the road with three diverse bikeriders exploring the vast terrain in Northern Argentina. And two climbers reach their limit as they try to scale the Trango Towers in Patagonia.

This edition takes us boarding in the backcountry, joining the Freeride World Tour, and meeting extreme-boarding legend, Xavier de le Rue.

This edition we're going rock climbing. Lighting up an icefall in Norway, racing to the top of El Capitan and free climbing in Austria.

Rev up and get ready to race, it's a motorbike extravaganza this edition of The Challenge. We get the run down on some top tricks, then meet FMX legend Mat Rebeaud. He's hosting the Free4Style in his hometown in Switzerland. Then we're off to Romania, for The Romaniacs; a hardcore hard enduro race pushing man and machine to the limits.

Surf's Up! This edition of The Challenge we go surfing in Rio, get barrelled in Hawaii and join the women of the pro tour.

This episode is all about climbing; with bouldering in Austria, chasing "The Place of Happiness" in Brazil and making first winter ascents in Patagonia.

This edition is all two wheeled action as we go BMXing indooors, mountain biking in Andorra, and get revved up with the FMX X-Fighters.

This episode we meet ultra trail runner Ildikó Wermescher, discover a race on for the toughest of the tough, and see athletics go from the stadium, to the streets.

This edition we get some air and go behind the scenes of the FISE BMX World Series. Attempt a gruelling, world record descent of the highest mountain in the middle east - on a unicycle, and we're pushing the boundaries of physics with extreme FMX riders.

This edition we meet wakeboarding sensation Harley Clifford. And join two of the top stars in the women's comp as they continue to take the sport to higher heights. Find out how kiteboarding is soaring up the popularity stakes with new riders taking up the sport around the globe. And water ski jumping legend Freddy Krueger lets us in on the man behind the myths.

Extreme skiing will get your heart race this episode. Freeride World Tour Champion Drew Tabke does what it takes to have an endless Winter; Ski Cross goes hard and fast, and we train with freeskier, Eva Walkner.

We're ripping, gripping, flipping and tripping - no time to get bored this edition as we check out some of the most extreme board sports; kiteboarding, wakeboarding, skateboarding and surfing.

An epic snow adventure this edition as we go ski touring to the peak of the Wildspitze, train to win at nighttime, and have a snow fight Team Europe vs Team Americas.

This episode brave the highest of heights. We see two brave slackliners cross the thundering Victoria Falls. Scale walls of ice up Cerro Torre, and go up, up and away with hot air balloonists.