FT SeriesThe new adventurersInterviews with the world’s leading explorers, adventurers and endurance athletesEverest twice in a week: the man who runs up mountainsKilian Jornet’s feats are redefining the sports of climbing, skiing and ‘ultra’ running. On a rare visit to London, he talks to Adharanand FinnSarah Thomas: the woman who swam a centuryUnnoticed and unfeted, a US swimmer is breaking the sport’s boundariesLessons from the road: Mark Beaumont on tears, broken bones and making adventure payStill recovering from his record-breaking ride around the world, the cyclist joins Simon Usborne for a spinCan Leo Houlding rewrite the rules of Antarctic exploration?Part 1: As he sets out for the world’s most remote mountain range, the climber hopes to pioneer a new era of polar adventureEd Stafford, 21st-century explorerThe Guinness World Record holder had planned to become a stockbroker but instead devoted himself to a life of adventure — no matter what the cost