Forever running: the rise and rise of the fastest known time
Kilian Jornet at 7,500m climbing Mt Everest on his first attempt. The Catalan ultrarunner reached the summit twice, the second time from the advanced base camp Photograph: Kilian Jornet Last month, ultrarunner and mountaineer Kilian Jornet scaled Everest in a record time of 26 hours. He completed the journey from base camp to the summit without the use of fixed ropes or supplemental oxygen. The achievement marks the culmination of Jornet’s Summits of My Life project, which has already seen him set speed records for going up and down Mont Blanc and the Matterhorn. The Spaniard’s “light and fast” expeditions are the most eye-catching examples of an increasingly popular endurance challenge. Now, more than ever, top trail and ultrarunners are forgoing races in favour of attempting fastest known times, or “FKTs”. It is a trend that in recent months has seen the United States crossed in 42 days and Ireland in just over three . The idea is simple: a runner sets out to cover a g...