Canada's Summer McIntosh set a new world record en route to the gold medal in the women's 200m butterfly race at the World Aquatics Swimming Championships.
The 18-year-old - who had already come up trumps in the 400m freestyle race in world record time earlier this week - took home her second title of the Budapest competition with an unparalleled time of 1:59.32 in the 200m butterfly.
McIntosh, who is also the reigning Olympic champion in the event, finished nearly two seconds better off than Regan Smith in second spot, while Australia's Elizabeth Dekkers clinched the bronze medal.
"Anytime I can have the chance to hopefully get a crack at one or break one, it's always a fun time. I just try to soak it up because they don't come around super often," swimming.ca quotes the teenager as saying.
"I love Budapest overall. It's an amazing place to be and swim and I love this pool as well. The crowd's always amazing and electric so feeding off that energy going into all my races definitely helps me get the best result."
McIntosh's record was one of three new world bests set in the Hungarian capital on Thursday, as the USA's women's 4x200m freestyle relay team won the gold in an astounding time of 7:30.13.
Alex Walsh, Paige Madden, Katie Grimes and Claire Weinstein finished over three seconds clear of host nation Hungary in second place, while Gretchen Walsh also set a new world record in the semi-finals of the women's 100m medley with 55.71 seconds on the clock.
The American sat atop the rankings in the women's 100m freestyle too, taking the honour with a time of 50.31 seconds, which represented both a new course record and American record.
How did Great Britain do on day three of the World Aquatics Swimming Championships?
GB only had two swimmers involved in Thursday's finals, including Freya Anderson in the women's 100m freestyle, but the 23-year-old could only muster a seventh-placed finish in 52.22 seconds.
Angharad Evans also ranked seventh in the women's 100m breaststroke final with 1:04.08 on the clock, 1.7 seconds behind 20-year-old Chinese gold medallist Qianting Tang.
Elsewhere, the men's 100m freestyle title went to the USA's Jack Alexy in 45.38 seconds, while Canadian teenager Ilya Kharun set a course record time of 1:48.24 en route to men's 200m butterfly gold.
China's Qin Haiyang won the men's 100m breaststroke gold, touching the wall in 55.47 seconds, and Australia's Elijah Winnington became the men's 400m freestyle champion in a time of 3:35.89.
