Japanese woman athletes compete during their 100 meter race at an athletics test event for the Tokyo 2020 Olympics Games at National Stadium in Tokyo, Sunday, May 9, 2021. (AP Photo/Shuji Kajiyama)

An official wearing a face mask uses a starter pistol to signal the start a women's 100 meter heat at an athletics test event for the Tokyo 2020 Olympics Games at National Stadium in Tokyo, Sunday, May 9, 2021. The competition entitled: "Ready Steady Tokyo - Athletics." (AP Photo/Shuji Kajiyama)

Japanese Daichi Nakamura performs a shot put at an athletics test event for the Tokyo 2020 Olympics Games at National Stadium in Tokyo, Sunday, May 9, 2021. (AP Photo/Shuji Kajiyama)

People against the Tokyo 2020 Olympics set to open in July, protest around Tokyo's National Stadium during the anti-Olympics demonstration Sunday, May 9, 2021. (AP Photo/Eugene Hoshiko)

Japanese athletes compete during the women's 800 meter race at an athletics test event for the Tokyo 2020 Olympics Games at National Stadium in Tokyo, Sunday, May 9, 2021. (AP Photo/Shuji Kajiyama)

People against the Tokyo 2020 Olympics set to open in July, march to protest around Tokyo's National Stadium during an anti-Olympics demonstration Sunday, May 9, 2021. (AP Photo/Eugene Hoshiko)

Officials, wearing face masks, look at a shot put by a Japanese competitor during an athletics test event for the Tokyo 2020 Olympics Games at National Stadium in Tokyo, Sunday, May 9, 2021. (AP Photo/Shuji Kajiyama)

A participant against the Tokyo 2020 Olympics set to open in July, prepares banners to protest around Tokyo's National Stadium during an anti-Olympics demonstration Sunday, May 9, 2021 (AP Photo/Eugene Hoshiko)

People against the Tokyo 2020 Olympics set to open in July, protest around Tokyo's National Stadium during the anti-Olympics demonstration Sunday, May 9, 2021. The banner in the background reads: "Oppose Tokyo Olympics." (AP Photo/Eugene Hoshiko)

People against the Tokyo 2020 Olympics set to open in July, protest around Tokyo's National Stadium during an anti-Olympics demonstration Sunday, May 9, 2021. (AP Photo/Eugene Hoshiko)

A general view of National Stadium during an athletics test event for the Tokyo 2020 Olympics Games in Tokyo, Sunday, May 9, 2021. (AP Photo/Shuji Kajiyama)

Sebastian Coe, president of World Athletics, listens to a reporter's question during a press conference as Coe visited an athletics test event for the Tokyo 2020 Olympics Games at National Stadium in Tokyo, Sunday, May 9, 2021. (AP Photo/Shuji Kajiyama)