Canadian sensation Summer McIntosh fell just short in her quest to match Michael Phelps's feat of winning five individual gold medals at a single world championships but that has given her the motivation to improve even more.

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.

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.