Colin Duffy

Colin Duffy is an American professional rock climber, born on 10 December 2003 in Louisville, Kentucky, who specializes in competition climbing. He started climbing at five, joined Team ABC in Boulder, Colorado at eight under Robyn Erbesfield-Raboutou, and as a youth won the IFSC World Youth Championships in 2017 and 2018 and was a ten-time USAC Youth National Champion. At seventeen he became the youngest climber to qualify for the 2020 Summer Olympics, where he reached the final and finished seventh. In 2022 he won World Cup gold in bouldering and, two days later, in lead at Innsbruck, the first man to win both in the same World Cup event. Outdoors he redpointed 5.14c routes at the Red River Gorge at fifteen, climbed his first 9a route in 2021 and has solved a V16 boulder problem. The account here rests on his English Wikipedia article, with the Olympedia athlete page as a second source.