TOKYO, July 26 (Xinhua) -- Zhang Yufei of China claimed the silver medal in 55.64 seconds, only 0.05 seconds after gold medalist Margaret Macneil of Canada, in the women's 100m butterfly final Monday.

Emma McKeon took the bronze for Australia in 55.72 seconds. The top four all swam sub-56 seconds, with Torri Huske finishing fourth with 55.73.

Macneil, the 2019 world titlist, continued the story of the world champion winning the event in the past four Olympics Games.

Macneil became the third Canadian woman to win gold in swimming at the Olympic Games. The gold was also the first gold medal for Canada in butterfly events at the Olympic Games. The previous two medals were silver, for one in the men's 100m butterfly in 1972 and another in the women's 100m butterfly in 2016.

Li Bingjie snatched the bronze for China in women's 400m freestyle, after Australia's Ariarne Titmus and American Katie Ledecky.

20-year-old Ariarne Titmus posted 3:56.69 to top this season's world rankings in this event. Ledecky had 3:57.36. Li bettered her Asian record with 4:01.08.

Australia has not won a medal in the women's 400m freestyle at the Olympic Games since Hayley Lewis took bronze in 1992.

In the men's 100m breaststroke, Adam Peaty defended his title for Britain in 57.37 seconds. Arno Kamminga of the Netherlands won the silver in 58 seconds and Italy's Nicolo Martinenghi took the bronze in 58.33.

Peaty became the first swimmer representing Britain to win a specific event multiple times at the Olympic Games.

The finalists for men's 200m freestyle, men's 100m backstroke, women's 100m backstroke and women's 100m breaststroke were confirmed. Xu Jiayu won China a place in the men's 100m backstroke.

In women's 100m backstroke semifinals, Regan Smith qualified as the quickest by setting a new Olympic record at 57.86 seconds.

The United States, Italy and Australia finished 1-2-3 in men's 4x100m freestyle relay.