Key moments from Day 12 of the Olympic Games

Here's what you missed from Day 12 of the 2020 Summer Olympics in Tokyo.

August 04, 2021, 9:08 AM

Each day, ABC News will give you a roundup of key Olympic moments from the day's events in Tokyo, happening 13 hours ahead of U.S. Eastern Time. After a 12-month delay, the unprecedented 2020 Summer Olympics is taking place without fans or spectators and under a state of emergency due to the coronavirus pandemic.

Sydney McLaughlin wins gold, sets a new world record in 400m hurdles

Team USA's Sydney McLaughlin set a new world record of 51.46 seconds for the 400m hurdles and picked up the gold medal along the way. She was congratulated by teammate Dalilah Muhammad who won the silver in the event.

The previous world record for the men's 400m hurdles was also smashed yesterday by Norway's Karsten Warholm.

PHOTO: Sydney McLaughlin of Team United States competes in the Women's 400m Hurdles Final on day twelve of the Tokyo 2020 Olympic Games at Olympic Stadium on Aug. 04, 2021 in Tokyo, Japan.
Sydney McLaughlin of Team United States competes in the Women's 400m Hurdles Final on day twelve of the Tokyo 2020 Olympic Games at Olympic Stadium on Aug. 04, 2021 in Tokyo, Japan.
Ryan Pierse/Getty Images
PHOTO: People celebrate during a watch party Tuesday, Aug. 3, 2021, in Mountainside, N.J., the gold medal of Sydney McLaughlin in the women's 400-meter hurdles at the 2020 Tokyo Olympics.
People celebrate during a watch party Tuesday, Aug. 3, 2021, in Mountainside, N.J., the gold medal of Sydney McLaughlin in the women's 400-meter hurdles at the 2020 Tokyo Olympics.
Eduardo Munoz Alvarez/AP Photo
PHOTO: Gold medalist Sydney McLaughlin of Team United States poses in front of the scoreboard after setting a new world record in the Women's 400m Hurdles Final on day twelve of the Tokyo 2020 Olympic Games at Olympic Stadium on Aug. 04, 2021 in Tokyo.
Gold medalist Sydney McLaughlin of Team United States poses in front of the scoreboard after setting a new world record in the Women's 400m Hurdles Final on day twelve of the Tokyo 2020 Olympic Games at Olympic Stadium on Aug. 04, 2021 in Tokyo, Japan.
Cameron Spencer/Getty Images

U.S. women’s basketball heads to semifinals, win streak extended to 53

The United States women’s basketball team has now won 53 straight games at the Olympics, a streak extending from the 1992 Olympic Games. Team USA defeated Australia 79-55 in an effort led by Breanna Stewart with 23 points.

PHOTO: Breanna Stewart of the USA competes for the ball with Alanna Smith of Australia during the Women's Quarterfinal Basketball match during the Tokyo Olympic Games in Saitama, Japan, Aug. 4, 2021.
Breanna Stewart of the USA competes for the ball with Alanna Smith of Australia during the Women's Quarterfinal Basketball match during the Tokyo Olympic Games in Saitama, Japan, Aug. 4, 2021.
JOE GIDDENS/EPA-EFE/Shutterstock

USA baseball sets sights on gold after 3-1 win over Dominica

The U.S. baseball team beat the Dominican Republic 3-1 to stay in the hunt for gold. Triston Casas hit his third home run of the Olympic Games and Team USA will play the loser of Japan-South Korea next on Thursday.

PHOTO: United States' Tyler Austin celebrates his home run with teammate Todd Frazier (25) in the fifth inning of a baseball game against the Dominican Republic at the 2020 Summer Olympics, Aug. 4, 2021, in Yokohama, Japan.
United States' Tyler Austin celebrates his home run with teammate Todd Frazier (25) in the fifth inning of a baseball game against the Dominican Republic at the 2020 Summer Olympics, Aug. 4, 2021, in Yokohama, Japan.
Sue Ogrocki/AP Photo

COVID-19 cases at Tokyo Olympics rise to 327

There were 28 newly confirmed cases of COVID-19 at the Tokyo Olympics on Wednesday, including four athletes, three of whom were staying at the Olympic Village at the time of the positive test. The Greek artistic swimming team was hit the hardest and was ruled out after 5 of the 12 athletes or team officials tested positive. The total now stands at 327, according to data released by the Tokyo 2020 organizing committee.

The surrounding city of Tokyo reported 4,166 new cases on Wednesday, a seven-day average increase of 178.0%, according to data from the Tokyo metropolitan government.

PHOTO: Rows of empty seats are seen in the Olympic Stadium as the Athletics continues on day 12 of the Tokyo Olympic Games on August 4, 2021 in Tokyo, Japan.
Rows of empty seats are seen in the Olympic Stadium as the Athletics continues on day 12 of the Tokyo Olympic Games on August 4, 2021 in Tokyo, Japan.
Leon Neal/Getty Images

Allyson Felix one step closer to making history

U.S. sprinter Allyson Felix finished second in her heat and advanced to the finals of the women's 400m, putting her one step closer to reaching a record 10 Olympic medals.

If Felix medals in the 400m, she would have the record for most medals of any female track and field athlete with 10. If she also wins a medal in the 4x400m relay, she would surpass legend Carl Lewis with the most track and field medals ever. The Tokyo Games are the fifth Olympics for the 35-year-old track star.

PHOTO: Allyson Felix of the United States is seen before competing in the women's 400m on Aug. 4, 2021 in Tokyo, Japan.
Allyson Felix of the United States is seen before competing in the women's 400m on Aug. 4, 2021 in Tokyo, Japan.
Aleksandra Szmigiel/Reuters

Japan extends domination in skateboarding events

Japan's Sakura Yosozumi won the gold in the first ever Olympic skateboarding park event, followed by 12-year-old Kokona Hiraki, Japan's youngest medalist.

PHOTO: Sakura Yosozumi of Japan competes in the women's park skateboarding finals at the 2020 Summer Olympics, Aug. 4, 2021, in Tokyo, Japan.
Sakura Yosozumi of Japan competes in the women's park skateboarding finals at the 2020 Summer Olympics, Aug. 4, 2021, in Tokyo, Japan.
Ben Curtis/AP Photo

Belarusian sprinter Krystsina Tsimanouskaya leaves Tokyo for Vienna

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