Untouchable: Aussie women continue 4x100 freestyle dominance

The team from Australia celebrates after winning the final of the women's 4x100m freestyle relay at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Charlie Riedel)

The team from Australia celebrates after winning the final of the women's 4x100m freestyle relay at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Morry Gash)

Australian women's 4x100m freestyle relay team's Emma McKeon congratulates teammate Cate Campbell, right, after winning the gold medal at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Australian women's 4x100m freestyle relay team celebrate after winning the gold medal at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

The team from Australia celebrates after winning the final of the women's 4x100m freestyle relay at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Petr David Josek)

Australia's women's 4x100m women's relay team, Meg Harris, Bronte Campbell, Emma McKeon and Cate Campbell celebrate on the podium at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

Emma McKeon of Australia, dives in for her leg of the women's 4x100m freestyle relay at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)

Australia's women's 4x100m women's relay team, Meg Harris, Bronte Campbell, Emma McKeon and Cate Campbell celebrate on the podium at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Petr David Josek)

The team from Australia celebrates after winning the final of the women's 4x100m freestyle relay at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan. (AP Photo/Petr David Josek)