Summer McIntosh, the 18-year-old Canadian swimming star, rolled to victory Sunday in the women’s 400-meter individual medley, setting a world-championship record and winning her fourth individual gold medal of the event.

SINGAPORE: Summer McI­n­tosh capped a brilliant world championship with the 400 metres individual medley (IM) title and a fourth individual gold medal while Leon Marc­hand roared to victory in the men’s event in Singapore on Sunday.

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.

The 18-year-old Canadian also claimed gold in the 200-metre butterfly, 200 medley and 400 freestyle in Singapore

Summer McIntosh has continued to make Canadian history at the 2025 World Aquatic Championships in Singapore.

Waiting – for the next Olympics and even for another world championships meet – might be McIntosh’s greatest challenge

Summer McIntosh capped arguably the best world championships for a female swimmer by winning her fourth individual gold medal. McIntosh, an 18-year-old Canadian, swam the third-fastest 400m individual medley in history — 4 minutes,