Canadian swimming sensation Summer McIntosh won her third gold medal of the World Aquatics Championships in Singapore but fell agonizingly short of breaking the 200-meter butterfly world record.

Canadian star Summer McIntosh continued her dominance Thursday at the world championships, challenging the world record in the women’s 200-meter butterfly while cruising to yet another win as she pursues history in Singapore.

Also Thursday, Canada placed sixth in the women’s 4x200 freestyle relay final, with Brooklyn Douthwright, Sienna Angove, Ella Cosgrove and Ella Jansen finishing in 7:52.52. Australia won gold in 7:39.35, ahead of the United States (7:40.01) and China (7:42.99).