Simone Biles secured her fifth Olympic gold medal by leading the United States to victory in the women's gymnastics team event at the Paris Olympics, solidifying her status as the most decorated American gymnast with a total of eight Olympic medals. The event was held at Bercy Arena, attended by celebrities including Nicole Kidman and Serena Williams, with Italy and Brazil taking silver and bronze respectively. In contrast, American swimmers faced challenges, only achieving silver and bronze medals, while Australian Kaylee McKeown won the women's 100 backstroke, defeating world record holder Regan Smith. Additionally, Coco Gauff expressed frustration over an officiating decision that contributed to her loss in tennis. The men's triathlon was postponed due to poor water quality in the Seine River amid a heat wave affecting athletes and fans. Overall, the day showcased Biles' triumphant return to form following her withdrawal from the Tokyo Games due to mental health concerns.