Axios

U.S. gymnast Sunisa "Suni" Lee won her 3rd Olympic medal on Sunday, taking home bronze in the individual uneven bars event.

Driving the news: Also on Sunday, U.S. gymnast MyKayla Skinner won the silver medal in the vault on Sunday after stepping in for Simone Biles, who withdrew from the event to prioritize her mental health and well-being.

Golfer Xander Schauffele won gold for Team USA at the Tokyo Olympic Games on Sunday.

The big picture: It's Team USA's "first Olympic gold in an individual event in this sport since 1900," per an International Olympic Committee statement. Schauffele won the event by one shot, leaving Slovakia's Rory Sabbatini with silver. There was a seven-way play-off for the bronze medal.

Go deeper: Full Axios Olympics coverage

Editor's note: This article has been updated with new details throughout.

Day nine of the Tokyo Olympic Games Sunday saw the final day of swimming competition end with a historic win for Team USA.

The big picture: The U.S. men's 4x100-meter medley relay team set a new world record as they won the final and Caeleb Dressel earned a fifth gold — becoming the fifth American to do so. Team USA's Bobby Finke won the 1,500-meter freestyle.

The NHL announced Saturday evening it will investigate an allegation by hockey player Evander Kane’s wife that the San Jose Sharks left winger bet on his own games and deliberately tried to lose for gambling profit.

Driving the news: Anna Kane said in a since-deleted Instagram story: "How does the [NHL] let a compulsive gambling addict still play when he's obviously throwing games with bookies to win money? Hmm maybe someone needs to address this."

Team USA win the gold medal in the men's 4x100-meter medley relay, setting a new world record in the process on Sunday morning local time.

Of note: Caeleb Dressel won his fifth Tokyo Games gold medal during the event— becoming the fifth American to do so after speedskater Eric Heiden and swimmers Mark Spitz, Matt Biondi and Michael Phelps, who achieved the feat three times.

Simone Biles will not be competing in the Olympic floor exercise event to prioritize her mental well-being, USA Gymnastics announced Sunday morning local time.

What's happening: "Simone has withdrawn from the event final for floor and will make a decision on beam later this week," USA Gymnastics said in a statement. "Either way, we're all behind you, Simone."

Charlotte Worthington from Great Britain earned a gold medal in the new BMX freestyle cycling category in the Olympics on Sunday morning local time.

Driving the news: Worthington landed the first 360 backflip in women's contest, beating Team USA's Hannah Roberts into second-place for the silver medal. Switzerland’s Nikita Ducarroz took bronze.

Go deeper: Full Axios Olympics coverage

Bobby Finke won Olympic gold for the U.S. in the men's 1,500-meter freestyle at the Tokyo Games on Sunday morning local time.

The big picture: Ukraine's Mykhailo Romanchuk won the silver medal and Florian Wellbrock bronze, despite the German leading for most of the race. Finke, 21, also won a gold medal in the first-ever men's Olympic 800-meter freestyle final on Thursday.

Editor's note: This article has been updated to include the bronze and silver medal winners.

American swimmer Caeleb Dressel won gold and set an Olympic record in the men's 50-meter freestyle on Saturday, beating his own world record that he set in 2020.

Details: Dressel didn't take a breath while in the pool to win the race in 21.07 seconds. France's Florent Manaudou won the silver medal, and Brazil’s Bruno Fratus bagged the bronze.

Jamaican runner Elaine Thompson-Herah won gold in the 100-meter race on Saturday with a time of 10:61 seconds, setting a new Olympic record.

Driving the news: The Jamaican runners swept the podium with Shelly-Ann Fraser-Pryce in second and Shericka Jackson taking the bronze.

Poland on Friday took home the gold in the first-ever Olympic track & field mixed 4x400-meter relay.

Driving the news: The team, comprised of Karol Zalewski, Natalia Kaczmarek, Justyna Swiety-Ersetic and Kajetan Duszynski, finished with a 3:09.87 time, a new Olympic record.

• The Dominican Republic won the silver, while the U.S. took the bronze.

TOKYO — After 125 years of having no openly transgender competitors at the Olympics, there are several transgender and nonbinary athletes at this year's Games.

Between the lines: While still small in number, the presence of trans athletes has been a major point of controversy at these Games, coming up repeatedly at IOC press conferences and in newspaper headlines around the world.

TOKYO — The presence of multiple trans and nonbinary competitors at this year's Olympics represents a hard-fought milestone that can inspire future generations to compete in sports as their authentic selves, several prominent trans athletes told Axios this week.

Why it matters: The participation of at least four openly trans and nonbinary athletes in this year's Olympics represents a historic first and an important counterbalance to a flurry of state-level laws in the United States aimed at excluding trans youth from participating in sports, those athletes said.

When sprinter Allyson Felix steps on the track at the Tokyo Olympic Games, she'll be thinking of her proudest accomplishment and what motivates her most: her two-year-old daughter Camryn.

The big picture: The 35-year-old enters her fifth, and likely last, Olympic Games in Tokyo with nine medals already under her belt. If Felix wins just one more medal, she will become the most decorated Olympian female track athlete from any country.

American swimming star Caeleb Dressel has already won three gold medals in Tokyo. On the last full day of indoor swimming at this year's Olympic Games, he will get a shot at one more.

The big picture: Dressel broke the world record in the men's 100-meter butterfly in Tokyo on Saturday. He won the men's 100m butterfly and 4x100m freestyle relay earlier in the week.

Great Britain claimed the gold in the mixed 4x100-meter medley relay's Olympic debut on Saturday in Tokyo.

Driving the news: The team, comprised of Kathleen Dawson, Adam Peaty, James Guy and Anna Hopkin, finished with a 3:37.58 time, a new world record. China won the silver, while Australia took the bronze.

Swimming star Katie Ledecky concluded her Tokyo Olympic journey with four medals, including gold in the women's 800m freestyle and in the first-ever women's 1500m freestyle race.

The big picture: The 24-year-old has been dominating women’s swimming since winning her first gold at the 2012 London Games when she was just 15 years old. Since then, she's broken 14 world records and earned the title of "greatest female swimmer of our time" by Michael Phelps.

Two-time Olympic gold medalist Simone Manuel is one of the fastest swimmers in the world, but her journey to Tokyo was not easy.

The big picture: The pandemic forced Manuel to temporarily relocate training to a backyard pool. In late March, she was diagnosed with overtraining syndrome, severely limiting her time in the water before the Olympic trials. There, she failed to qualify for 100m freestyle, crushing her chance at defending her Olympic title.

Simone Biles will not compete in the individual vault or uneven bars finals at the Tokyo Olympics, USA Gymnastics announced Friday.

Why it matters: USA Gymnastics said Biles, who previously withdrew from the individual all-around and team finals to prioritize her mental health, will continue to be evaluated to determine if she'll compete in the balance beam or floor exercise events.

American superstar swimmer Katie Ledecky grabbed her second gold medal of this year's Olympic Games, winning the women's 800-meter freestyle race Saturday in Tokyo.

Driving the news: Ledecky, who holds the world record in the 800m freestyle, is considered one of the best women swimmers of all time. Saturday's final marks her third straight Olympic gold in the event.

American swimmer Caeleb Dressel broke the world record in the men's 100-meter butterfly final in Tokyo on Saturday, picking up his third gold medal of this year's Games.

The big picture: Dressel finished with a time of 49.45 seconds. Hungary's Kristóf Milák won the silver, and Switzerland's Noe Ponti took the bronze.