Athletes compete during the men's 1500m final on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Jia Yuchen)

Athletes compete during the women's 1500m final on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Jia Yuchen)

Ge Manqi of Fujian gets ready before Women's 100m Final on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Wang Lili)

Wu Yanni (C) of Sichuan competes during the women's 100m hurdles final on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Wang Lili)

Xie Zhenye of Zhejiang reacts at the start line before Men's 100m Final on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Wang Lili)

Yang Huizhen (3rd L) of Sichuan competes during the women's 400m final on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Jia Yuchen)

Yang Huizhen (4th R) of Sichuan competes during the women's 400m final on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Jia Yuchen)

(From L to R) Hua Zihui of Zhejiang, Gong Kewei of Hubei, Fei Xiang of Shanghai and Zhang Zhen of Beijing compete during 100m race of Decathlon on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Wang Lili)

Ren Shimei (C) of Sichuan competes during the women's 200m of heptathlon on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Jia Yuchen)

(From L to R) Zhou Jingjing of Hainan, Liu Jingyi of Zhejiang, Gao Miao of Liaoning and Ren Shimei of Sichuan compete during Women's 100m Hurdles race of heptathlon on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Wang Lili)

Shen Muhan of Fujian competes during shot put competiton of heptathlon on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Wang Lili)

Guo Qi of Shandong competes during 400m race of Decathlon on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Wang Lili)

Gong Kewei (C) of Hubei competes during 400m race of Decathlon on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Jia Yuchen)

Guo Qi of Shandong competes during high jump competition of Decathlon on Day 1 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 15, 2020. (Xinhua/Wang Lili)