Swimming photos - Day 6

TOKYO, JAPAN - JULY 29: Zac Stubblety-Cook of Team Australia reacts after winning the gold medal in the Men's 200m Breaststroke Final on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Tom Pennington/Getty Images)

TOKYO, JAPAN - JULY 29: Robert Finke of Team United States celebrates after winning the gold medal in the Men's 800m Freestyle Final on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Tom Pennington/Getty Images)

TOKYO, JAPAN - JULY 29: Tristan Hollard of Team Australia competes in the Men's 200m Backstroke Semifinal on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Alexander Hassenstein/Getty Images)

TOKYO, JAPAN - JULY 29: Guilherme Costa of Team Brazil prepares to compete in the Men's 800m Freestyle Final on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Tom Pennington/Getty Images)

TOKYO, JAPAN - JULY 29: Michael Andrew of Team United States competes in the Men's 200m Individual Medley Semifinal on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Clive Rose/Getty Images)

TOKYO, JAPAN - JULY 29: Luke Greenbank of Team Great Britain competes in the Men's 200m Backstroke Semifinal on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Tom Pennington/Getty Images)

TOKYO, JAPAN - JULY 29: Emma McKeon of Team Australia competes in the Women's 4 x 200m Freestyle Relay Final on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Tom Pennington/Getty Images)

TOKYO, JAPAN - JULY 29: Caeleb Dressel of Team United States reacts after winning the gold medal in the Men's 100m Freestyle Final on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Tom Pennington/Getty Images)

TOKYO, JAPAN - JULY 29: Yufei Zhang of Team China competes in the Women's 4 x 200m Freestyle Relay Final on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Tom Pennington/Getty Images)

TOKYO, JAPAN - JULY 29: Silver medalist Kyle Chalmers (L) of Team Australia hugs gold medalist Caeleb Dressel of Team United States after the medal ceremony for the Men's 100m Freestyle Final on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Tom Pennington/Getty Images)

TOKYO, JAPAN - JULY 29: Caeleb Dressel of Team United States celebrates after winning the gold medal and breaking the olympic record in the Men's 100m Freestyle Final on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Tom Pennington/Getty Images)

TOKYO, JAPAN - JULY 29: Izaac Stubblety-Cook of Team Australia reacts after winning the gold medal in the Men's 200m Breaststroke Final on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Al Bello/Getty Images)

TOKYO, JAPAN - JULY 29: Caeleb Dressel of Team United States reacts after winning the gold medal in the Men's 100m Freestyle Final on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Alexander Hassenstein/Getty Images)

TOKYO, JAPAN - JULY 29: Izaac Stubblety-Cook of Team Australia reacts after winning the gold medal in the Men's 200m Breaststroke Final on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Al Bello/Getty Images)

TOKYO, JAPAN - JULY 29: Shoma Sato of Team Japan competes in heat two of the Mixed 4 x 100m Medley Relay on day six of the Tokyo 2020 Olympic Games at Tokyo Aquatics Centre on July 29, 2021 in Tokyo, Japan. (Photo by Maddie Meyer/Getty Images)