On the final day of competition, McIntosh added a final gold medal to her collection in the 400m individual medley, swimming to a time of 4:25.78.

Canadian star Summer McIntosh completed arguably the greatest world championships ever by a female swimmer, capturing her fourth gold medal in Singapore after winning the women’s 400m individual medley in 4:25.78.

Canada’s Summer McIntosh capped a dominant world swimming championships with her fourth gold medal on Sunday, winning the women’s 400-metre individual medley in championship-record time.