On September 21, Beijing time, the swimming competition of the 14th National Games entered the third day, and Zhejiang's Wang Shun maintained his strong strength, and he took the lead in 1 minute 46.14 seconds to win the men's 200m freestyle championship. Xu Jiayu easily won the men's 100m backstroke final, Hubei's Peng Xuwei won the women's 100m backstroke, and Beijing's Yu Jingyao won the women's 100m breaststroke.
First, the semi-finals of the women's 200m freestyle were played, and Yang Junxuan and Zhang Yufei both appeared in Group 1. Zhang Yufei was in the lead in the first 50 meters, and Yang Junxuan accelerated after 50 meters to overtake. In the following game, Yang Junxuan swam faster and faster, constantly consolidating the lead, and she was first in 1:58.40. Zhang Yufei was a little weak at the back, and she was only 8th in the group with a time of 2:01.44. In the second group, Qiu Yuhan of Liaoning team won the first place in 1 minute 57 seconds 39 seconds, and Tang Muhan of Guangdong team took second place in 1 minute 58 seconds 27 seconds. Combining the results of the two groups, Qiu Yuhan ranked first in the semi-finals, and Tang Muhan, Ai Yanhan and Yang Junxuan ranked second to fourth respectively. Zhang Yufei ranked 16th and missed the final.
In the men's 200m freestyle final, Wang Shun took the lead after entering the water, and he ranked first in the first 50 meters with a time of 24.61 seconds. In the following race, Wang Shun firmly maintained the leading position, and in the last 50 meters, he withstood the impact of Ji Xinjie and Hong Jinquan, and Wang Shun finally won the championship in 1 minute 46 seconds and 14 seconds. Ji Xinjie finished second in 1:46.48 and Hong Jinquan finished third in 1:47.42.
In the women's 100m backstroke final, the competition was mainly between Peng Xuwei, Wan Lotte and Fu Yuanhui. After the start of the race, Wan Lotte rushed to the front, Peng Xuwei and Fu Yuanhui followed closely, and Wan Lotte led in 28.53 seconds when he turned 50 meters. After turning around, Peng Xuwei began to speed up the sprint, and Fu Yuanhui also tried to catch up. Peng Xuwei successfully surpassed Wan Lotte to win the championship in 59.31 seconds, Wan Lotte won the second place in 59.63 seconds, and Fu Yuanhui finished third in 59.81 seconds.
There was no suspense in the men's 100m backstroke final, and Xu Jiayu took a clear lead after coming out of the water, turning around first at 50 meters, with a time of 25.52 seconds. After turning around, Xu Jiayu continued to maintain his advantage, and he took the lead in hitting the wall to win the championship, with a time of 53.26 seconds. Another Zhejiang player, Li Guangyuan, finished second in 54.36 seconds, and Song Yukuan of Jiangxi's team finished third in 55.01 seconds.
In the women's 100m breaststroke final, Yu Jingyao of Beijing team and Tang Qianting of Shanghai team competed fiercely, and Tang Qianting of the first 50 meters was in the lead, with a time of 30.67 seconds. After turning around, Yu Jingyao began to sprint with all her strength, she successfully achieved a counterattack and maintained the advantage to the end, she won the championship in 1 minute 05.63 seconds, Tang Qianting won the second place in 1 minute 05.82 seconds, and Yang Chang of the Shanxi team won the third place in 1 minute 07.62 seconds.
In the men's 200m butterfly semifinals, Niu Guangsheng of the Inner Mongolia team entered the final with a time of 1:56.68. Guangdong's Chen Jun'er was second in 1:57.33, while Shandong's Xu Fang was in third place.
The final event of the day was the women's 200m medley semi-finals, with Ye Shiwen playing in Group 1. After entering the water, Ye Shiwen took the lead, and her time in the first 50 meters was 28.60 seconds. In the following competition, Ye Shiwen firmly occupied the first place, and she finished first in the group with a time of 2:14.18. Ge Chutong was second in 2:14.34.
In group 2, Shandong's Wang Jiayin ranked first in 2:14.43, while Chen Xinyi, Liu Haiyun and Yu Yiting ranked 2-4 respectively. Combining the results of the two groups, Ye Shiwen ranked first to enter the final, Ge Chutong and Wang Jiayin ranked second and third, and Yu Yiting ranked 6th to enter the final.