Mixed Events Day Explained: Relays on Track and in Pool, Judo and Triathlon

When the Olympic Games first began in ancient Greece, women were forbidden from competing in or even viewing the games, instead taking part in the separate Heraean Games.

Since 776 B.C., the Games have become more progressive and mixed sporting events first emerged in the early 1900s.

More mixed gender competitions have been introduced over the years. In Rio de Janeiro in 2016, the summer games prior to Tokyo, there had been mixed doubles in badminton and tennis, as well the mixed Nacra 17 in sailing.

Additional mixed gender events were approved for this year's Olympic Games. The International Olympic Committee (IOC) made an announcement back in June 2017 that it would add additional mixed events in athletics, swimming, table tennis and triathlon to the games in Tokyo.

Most of the mixed events will be held on July 31, including judo, trap shooting, 4x100m swimming medley relay, and triathlon relay.

The first round of the 4x400m mixed relay took place on Friday evening. There were also two mixed shooting events, in air rifle on July 27 and air pistol on July 26 and 27. A mixed archery event also took place on July 23 and 24.

Here are some details of all the mixed events happening on July 31 in Tokyo.

Mixed Judo

On Saturday from 10 a.m. to 2:30 p.m. local time (Friday 9 p.m. to 1:30 a.m. ET) there will be the mixed judo final, which will include three men and three women per team.

France, Japan, ROC and Brazil are among the teams that will be playing in the mixed team quarter finals on Saturday.

Mixed Trap Shooting

After a qualifier with teams including Great Britain, Egypt, Slovakia, and the United States in the morning, there will be a bronze medal match and a gold medal match at 12:30 a.m. ET and 1:05 a.m. ET respectively.

Derrick Scott Mein and Kayle Browning compete for Team USA.

Mixed Swimming 4x100 Medley

The final is due to take place 10:43 p.m. ET on July 30 at the Tokyo Aquatics Centre, where the United States will be competing in lane 5. It will be the first-ever mixed gender Olympic swimming race of its type in history and will pit teams of two male and two female swimmers against each other.

Caeleb Dressel, who won his fourth gold medal in his career to date and the second at these Olympics on June 29, will be competing in the relay team.

Mixed Relay Triathlon

In the triathlon, two men and two women will compete on each team in the mixed team relay super sprint.

Australia, Great Britain, the United States and France will be among those competing in the relay, which begins at 6:30 p.m. ET on July 31.

The U.S. team, comprising Elija Godwin, Lynna Irby, Taylor Manson and Bryce Deadmon, comfortably won its heat in the 4x400 mixed gender relay on Friday, but were later disqualified for passing the baton outside the designated zone. Team USA was disqualified because of a bad pass between Irby and Godwin, with the ruling saying Irby had positioned herself "outside" the zone to receive the baton from Godwin.

Team USA is appealing the decision, which cost the team its spot in the final and potentially cost Felix a chance at her record-setting 10th Olympic medal. In light of the disqualification, Poland instead topped the time sheets.

Stefanos Tsitsipas/Maria Sakkari Tennis
Stefanos Tsitsipas of Team Greece and Maria Sakkari of Team Greece play Ashleigh Barty of Team Australia and John Peers of Team Australia in their Mixed Doubles Quarterfinal match against on day six of the Tokyo 2020 Olympic Games at Ariake Tennis Park on July 29, 2021 in Tokyo, Japan. Additional mixed gender events in athletics, swimming, table tennis and triathlon were approved for the games in Tokyo. Clive Brunskill/Getty