Kaylee McKeown of Australia reacts after winning the women's 100m backstroke final at the World Aquatics Swimming World Cup 2023 in Budapest, Hungary on Oct 21, 2023. (PHOTO / XINHUA)

BUDAPEST - Australia's Kaylee McKeown set a new world record in women's 100m backstroke in 57.33 seconds, 24 hours after breaking a world record in 50m backstroke, on the second day of the swimming World Cup in Budapest on Saturday.

She beat her own world mark of 57.45 set at the Australian Trials ahead of Tokyo Olympics in 2021.

McKeown, 22, expressed her astonishment, saying, "To be honest, I wasn't expecting this at all tonight. I had a feeling I got close but never thought I'd go under in a million years."

Qin Haiyang (right) of China competes during the men's 50m breaststroke final at the World Aquatics Swimming World Cup 2023 in Budapest, Hungary on Oct 21, 2023. (PHOTO / XINHUA)

China's Qin Haiyang narrowly missed breaking his own World Cup record in the men's 50m breaststroke. He secured his gold medal with a time of 26.30 seconds.

"I originally wanted to refresh the World Cup record today. It was so close. But I missed it by a little bit. It's a bit of a pity, but it's not important," he told Xinhua, after the race.

In the previous men's 50m breaststroke final of the World Cup in Berlin, Qin set a new World Cup record with a time of 26.29 seconds.

In the men's 200m butterfly, South Africa's Matthew Sates emerged victorious with a time of 1:55.25. Sates, 20, made a dominant move during the third length, securing his second win of the evening in Budapest.

He already won in the men's 200m medley with a time of 1:57.72 earlier.

Siobhan Bernadette Haughey (left) of China's Hong Kong reacts after winning the women's 200m freestyle final at the World Aquatics Swimming World Cup 2023 in Budapest, Hungary on Oct 21, 2023. (PHOTO / XINHUA)

In the women's 200m freestyle, Siobhan Bernadette Haughey from Hong Kong, China set a World Cup record with a stunning time of 1:54.08.

Sarah Sjoestroem of Sweden captured gold in the Women's 50m Butterfly, beating China's Zhang Yufei by a hair, 0.02 seconds.

Hungarian pride soared when Boglarka Kapas claimed the women's 400m medley title with a time of 4:43.14, while in the men's 1500m freestyle, David Betlehem secured first place for host Hungary with a time of 14:58.04.

Other winners in the second day included Michael Andrew from the USA, who won the men's 50m backstroke with 24.64 seconds. Italy's Thomas Ceccon emerged as the champion with a time of 48.41 seconds in the men's 100m freestyle. Meanwhile, Benedetta Pilato of Italy secured the top position in the women's 100m breaststroke in 1:05.83.

Australia was on top of the medal table, followed by China in second and Hungary in third place at the end of the second day of the Swimming World Cup in Budapest. In the individual rankings, McKeown continues to lead while Qin stands in second.