Canadian swimmer McIntosh sets women's world record in 400-metre freestyle

Sixteen-year-old Summer McIntosh of Toronto has set a world record in the women

Canadian swimmer McIntosh sets women's world record in 400-metre freestyle

O'Callaghan sets world record at swimming worlds - The Columbian

Canadian swimmer McIntosh sets women's world record in 400-metre

Canada's McIntosh sets 400m medley world record

Summer McIntosh Gets Gold in the Women's 400M Individual Medley

Ariarne Titmus rival Summer McIntosh hands US legend Katie Ledecky first home 400m freestyle defeat in 11 years - ABC News

Canadian swimmer McIntosh sets women's world record in 400 metre

Canadian swimmer McIntosh sets women's world record in 400 metre

Summer McIntosh sets world record in 400m freestyle at Canadian swimming trials

Canadian Summer McIntosh sets world record in swimming