About Kosuke Hagino
Kosuke Hagino is a Japanese former competitive swimmer who specialized in the individual medley and 200 m freestyle. He is a four-time Olympic medalist, most notably winning gold in the 400 m individual medley at the 2016 Summer Olympics. In his first event the 400 m freestyle Hagino won his first silver medal at the World Championships medal with a new Japanese record of 3:44.82. With Team Japan, he holds the Asian Record for the 4 × 100 m freestyle relay (short course). He qualified First in the 400 m individual medley heats with a new Asian record of 4:10.01, and would go on to win his first international medal with a bronze in the event and again lower his Asian record to a 4:08.94. Hagino holds the Asian Records in the 400 m individual medley (long course), the 100 m and 200 m individual medley (short course).
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.