Okwenzakala Emidlalweni ye2020 Tokyo Olympic Games

Gaudencia Makokha, of Kenya, is covered in sand as she competes during a women's beach volleyball match against the United States at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Petros Giannakouris)

Gaudencia Makokha, of Kenya, competes during a women's beach volleyball match against the United States at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Petros Giannakouris)

Chad le Clos, of South Africa, swims in a heat of the men's 100-meter butterfly at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Martin Meissner)

Ivan Veriasov, of the Russina Olympic Committee, right, exchanges punches with Cameroon's Maxime Yegnong Njieyo during their men's super heavyweight over 91-kg boxing match at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Frank Franklin II)

Kenya's Lorine Chebet Kaei, left, Kenya's Sharon Chepchumba Kiprono, right, and Serbia's Bojana Milenkovic challenge for the ball during the women's volleyball preliminary round pool A match between Serbia and Kenya at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Frank Augstein)

Richard Torrez Jr. from the United States, left, exchanges punches with Algeria's Chouaib Bouloudinats during their men's super heavyweight over 91-kg boxing match at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Frank Franklin II)

Haiti's Darrelle Valsaint Jr., right, takes a punch from David Tshama Mwenekabwe, of the Democratic Republic of the Congo, during their men's middleweight 75-kg boxing match at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Frank Franklin II)

South Africa's Nicholas Rodda (8) defends against Hungary's Balazs Erdelyi (9) during a preliminary round men's water polo match at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Mark Humphrey)

Russian Olympic Committee's Kristina Seredina, left, is tackled by Kenya's Sinaida Omondi, as she runs on her way to scoring a try in their women's rugby sevens match at the 2020 Summer Olympics, Thursday, July 29, 2021 in Tokyo, Japan. (AP Photo/Shuji Kajiyama)

Tatjana Schoenmaker of South Africa swims in a women's 200-meter breaststroke semifinal at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Matthias Schrader)

South Africa's Nicholas Balfour Spooner (24) and Germany's Niklas Bosserhoff (26) chase the ball during a men's field hockey match at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/John Minchillo)

Alex Limberg of South Africa competes in the men's BMX Racing quarterfinals at the 2020 Summer Olympics, Thursday, July 29, 2021, in Tokyo, Japan. (AP Photo/Ben Curtis)