As McIntosh topped the podium, fellow young swimmers at Lakeshore Swim Club in Etobicoke, Ont., a Toronto neighbourhood west of downtown, cheered on. Club president Tara Smith said they reminisced about McIntosh swimming for the club in her early years.

Summer McIntosh captured her fourth gold medal at the world swimming championships by winning the 400-meter individual medley on Sunday in Singapore.

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.