Summer McIntosh, the 18-year-old Canadian swimming star, rolled to victory Sunday in the women’s 400-meter individual medley, ...

McIntosh blitzed the field in the 400 IM with a time of 4:25.78, the world record holder coming home more than seven seconds ...

Canadian sensation Summer McIntosh fell just short in her quest to match Michael Phelps's feat of winning five individual ...

Katie Ledecky, who won Saturday’s 800m free, is the only other female swimmer to claim four individual golds at a worlds ...

The US topped the medal table as the women’s 4x100m medley relay team set a new world record on the final day of competition ...

Leon Marchand and Summer McIntosh sealed their golden swimming world championships with dominant victories on Sunday's final ...

Summer McIntosh swam to a championship record of 4:25.78 in the 400m individual medley to add another world title to her ...

The Canadian star challenged the all-time mark in the women's 200-meter butterfly and continued her perfect string of races ...

Summer McIntosh is off to a perfect start at the swimming world championships with two gold medals in two days.

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

McIntosh is aiming to win five gold medals in individual events at the worlds in Singapore, and the first one came Sunday in ...