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Nine-time Olympic champion Katinka Hosszú of Hungary is also a record nine-time long-course world champion, having won the women's 400 metre individual medley in 2009, 2011, 2013, 2015, 2017 and 2019, and the women's 200 metre individual medley in 2015, 2017 and 2019. She is the only female swimmer to have won nine long-course world titles in individual events.