Wu Zhiqiang (2nd R) of China competes during the Men's 4x100m Heat at the Tokyo 2020 Olympic Games in Tokyo, Japan, Aug. 5, 2021. (Xinhua/Zeng Yao)

Su Bingtian (1st R) and Wu Zhiqiang (3rd R) of China compete during the Men's 4x100m Heat at the Tokyo 2020 Olympic Games in Tokyo, Japan, Aug. 5, 2021. (Xinhua/Wang Lili)

Su Bingtian (R) and Wu Zhiqiang of China compete during the Men's 4x100m Heat at the Tokyo 2020 Olympic Games in Tokyo, Japan, Aug. 5, 2021. (Xinhua/Wang Lili)

Wu Zhiqiang (3rd R) of China competes during the Men's 4x100m Heat at the Tokyo 2020 Olympic Games in Tokyo, Japan, Aug. 5, 2021. (Xinhua/Jia Yuchen)

Team China reacts during the women's 4x100m relay heats at Tokyo 2020 Olympic Games, in Tokyo, Japan, Aug. 5, 2021. (Xinhua/Li Gang)

Wei Yongli (C) of Team China competes during the women's 4x100m relay heats at Tokyo 2020 Olympic Games, in Tokyo, Japan, Aug. 5, 2021. (Xinhua/Li Yibo)

Team China react during the women's 4x100m relay heats at Tokyo 2020 Olympic Games, in Tokyo, Japan, Aug. 5, 2021. (Xinhua/Li Yibo)

Wei Yongli (L) of Team China reacts during the women's 4x100m relay heats at Tokyo 2020 Olympic Games, in Tokyo, Japan, Aug. 5, 2021. (Xinhua/Li Gang)

Huang Guifen of Team China reacts during the women's 4x100m relay heats at Tokyo 2020 Olympic Games, in Tokyo, Japan, Aug. 5, 2021. (Xinhua/Li Ming)

Huang Guifen (R) of Team China reacts during the women's 4x100m relay heats at Tokyo 2020 Olympic Games, in Tokyo, Japan, Aug. 5, 2021. (Xinhua/Wang Lili)

Team China react during the women's 4x100m relay heats at Tokyo 2020 Olympic Games, in Tokyo, Japan, Aug. 5, 2021. (Xinhua/Jia Yuchen)

Wei Yongli of Team China reacts during the women's 4x100m relay heats at Tokyo 2020 Olympic Games, in Tokyo, Japan, Aug. 5, 2021. (Xinhua/Li Gang)