Tags: Swimmer.
Kosuke Hagino (萩野公介 Hagino Kōsuke born August 15 1994) is a Japanese swimmer who competes in the individual medley and 4×200m freestyle relay.He had the best time in the 400m individual medley heats at the 2012 Summer Olympics with a time of 4:10.01 an Asian record. He went on to claim the bronze medal in the final placing third behind gold medalist Ryan Lochte of the United States and silver medalist Thiago Pereira of Brazil.