Daiya Seto

Daiya Seto is a Japanese professional swimmer, born on 24 May 1994, who specialises in the individual medley, butterfly, breaststroke and freestyle. He took up swimming at the age of five and won his first world title in the 400 metre individual medley at the 2012 World Short Course Championships. He went on to win that event at the long course world championships in 2013, 2015 and 2019 and at several further short course championships. At the 2016 Rio de Janeiro Olympics he took bronze in the 400 metre individual medley, and he swam again at the 2020 Tokyo Games, finishing fourth in the 200 metre individual medley. He has set short course world records in the 200 metre butterfly and the 400 metre individual medley, the latter in 2019 while swimming for Energy Standard in the International Swimming League.