'I feel at peace': Felix exits stage with record 11th medal

Athing Mu, of United States, runs to the line to win gold in the final of the women's 4 x 400-meter relay at the 2020 Summer Olympics, Saturday, Aug. 7, 2021, in Tokyo. (AP Photo/Martin Meissner)

Sifan Hassan, of the Netherlands, wins the women's 10,000-meter run final at the 2020 Summer Olympics, Saturday, Aug. 7, 2021, in Tokyo. (AP Photo/David J. Phillip)

The team from the United States wins the women's 4 x 400-meter relay at the 2020 Summer Olympics, Saturday, Aug. 7, 2021, in Tokyo. (AP Photo/Matthias Schrader)

The United States team of Allyson Felix, Dalilah Muhammad, Athing Mu, and Sydney Mclaughlin, from left, celebrate winning the gold medal in the final of the women's 4 x 400-meter relay at the 2020 Summer Olympics, Saturday, Aug. 7, 2021, in Tokyo, Japan. (AP Photo/Charlie Riedel)

Allyson Felix, of the United States, runs in the women's 4 x 400-meter relay at the 2020 Summer Olympics, Saturday, Aug. 7, 2021, in Tokyo. (AP Photo/David J. Phillip)

Justyna Swiety-Ersetic, of Poland, celebrates after winning the silver medal in the the women's 4 x 400-meter relay at the 2020 Summer Olympics, Saturday, Aug. 7, 2021, in Tokyo. (AP Photo/Matthias Schrader)

Mariya Lasitskene, of the Russian Olympic Committee, celebrates after winning the gold medal in the women's high jump final at the 2020 Summer Olympics, Saturday, Aug. 7, 2021, in Tokyo. (AP Photo/David J. Phillip)

The United States team of Allyson Felix, Athing Mu, Dalilah Muhammad and Sydney Mclaughlin, from left, celebrate winning the gold medal in the final of the women's 4 x 400-meter relay at the 2020 Summer Olympics, Saturday, Aug. 7, 2021, in Tokyo, Japan. (AP Photo/Charlie Riedel)

Gold medalist Neeraj Chopra, of India, reacts as he stands on the podium for the medal ceremony for the men's javelin throw at the 2020 Summer Olympics, Saturday, Aug. 7, 2021, in Tokyo. (AP Photo/Martin Meissner)

Rai Benjamin, of United States anchors his team to the gold medal in the final of the men's 4 x 400-meter relay at the 2020 Summer Olympics, Saturday, Aug. 7, 2021, in Tokyo, Japan. (AP Photo/Charlie Riedel)