It's the world's fastest-growing sport, but Martin Love discovers that triathlons can involve early starts, humiliating costumes and frostbite of the penis. Also be warned: they are very, very addictive ...

Ed Douglas goes the wrong way up an Alpine waterfall with a mountain guide called Mr Cool

Ed Douglas always thought he had the Krypton Factor. As ITV revives the show, he attempts its notorious assault course – against his wife

It is the ultimate ocean race - Emma John spends two days with Sam Davies and talks sleep deprivation, DIY surgery and freeze-dried paella

Will Buckley has not played golf for six years and his last known handicap was 36. That didn't stop him going head to head with the world number six on The Open course that made him famous

Jason Cowley gave up his golfing ambitions 20 years ago. Now he's back on the course, but finds his biggest challenge is not in the lie of the ball - it's in the lies he told himself about his game. And he's not getting any younger either ...

We set golf writer and regular Sunday morning hacker Alastair Walmsley a daunting challenge: two weeks' intensive tuition before being hurled into competition with some of the world's best players at the Dunhill Links championship. As a bonus, he got to meet Jodie Kidd, Michael Douglas and Steve Waugh. Let's hope they weren't watching when he hit his ball straight into the sea ...