The world’s longest ski race – aptly named Inferno – is by turns exhilarating and brutal, a no-holds-barred endurance trial that has its competitors returning time after time. Minty Clinch signs up for a fiendish challenge in the Swiss Alps
Fire pits, ice vats and electric shocks are just some of the 22 challenges in the Tough Mudder, a brutal military-style obstacle course that’s becoming a global phenomenon. J Francis Reid heads into battle
Heat‑moulded to the wearer’s feet, £400
Solutions4Feet’s ski boots are designed using biomechanics and kinesiology – and promise to unleash a skier’s full potential, says Simon de Burton
Can the chute-to-thrill approach of the St Moritz Cresta Run set rub off on the Swiss Winter Olympic team and halt their downward slide?
Sleek bespoke kit from Igneous Skis
Following in the paddle strokes of second world war canoe heroes, James Henderson aims for Leros island – albeit with rather less stealth.
Darrell Hartman escapes New York to climb and squeeze through America’s most spectacular desert rock formations.
Jbel Toubkal in Morocco is an exhilarating initiation into mountaineering – and far more so in the midst of an unexpected blizzard, says Charlie Norton.
Racing over 100km around Table Mountain in the heat – and wearing super-tight Lycra – James Henderson pedals furiously after his youth.
Jack Dyson is strapped into a 600-horsepower racing machine and ready to push 150mph in the burning hot Las Vegas landscape. Can he keep his cool?
A new venture aims to get travellers off their sun loungers
Taking one very deep breath, Tarquin Cooper plunges to the bottom of Indonesian waters to spear his supper – or at least try to.