Group 1 - The core viewpoint of the articles highlights the impressive performance and potential of 12-year-old Chinese swimmer Yu Zidi, who has advanced to the finals of the women's 200m individual medley at the 2025 Singapore Swimming Championships [1][2]. - Yu Zidi achieved a time of 2 minutes 11.90 seconds in the preliminary round and improved to 2 minutes 10.22 seconds in the semifinals, securing her place in the finals [1]. - The articles emphasize Yu Zidi's balanced skills across all four swimming strokes, making her a strong contender in both the women's 200m and 400m individual medley events [2]. Group 2 - Yu Zidi began her swimming journey at the age of 6 and faced challenges, including a moment of considering quitting due to pressure in 2024, but was inspired by her predecessor Ye Shiwen [2]. - In addition to the 200m individual medley final, Yu Zidi is set to compete in the women's 200m butterfly preliminaries on July 30 and the women's 400m individual medley preliminaries on August 3, facing tough competition [2]. - The articles convey Yu Zidi's awareness of the intense competition at the world-class level and her determination to perform her best despite the pressure [2].

Core Viewpoint - Zhang Yufei, a prominent Chinese swimmer, reflects on her journey and challenges after returning to competitive swimming, emphasizing the importance of rediscovering her passion for the sport and setting new goals for future competitions [1][9][13]. Group 1: Competition Performance - At the 2025 National Swimming Championships, 12-year-old Yu Zidi won the women's 200m butterfly final with a time of 2:06.83, marking a significant achievement in a selection event for the World Championships [1]. - Zhang Yufei did not participate in the women's 200m butterfly event, which has led to discussions about her absence from the competition [1]. - Zhang's performance in the 100m butterfly improved from 58.21 seconds at the Spring Championships to 57.39 seconds at the National Championships, indicating a positive recovery trajectory [9][13]. Group 2: Personal Reflections and Challenges - Zhang Yufei experienced a mental block regarding swimming, describing it as a feeling of nausea when seeing a pool, which led her to take a break from the sport for nearly six months [3][8]. - During her hiatus, she reflected on her relationship with swimming, realizing that despite her previous claims of disliking the sport, it holds significant emotional value for her [8][9]. - Zhang expressed a desire to return to competitive swimming with renewed goals, stating that she does not want to merely participate in the Olympics but aims to push her limits and achieve personal breakthroughs [9][13]. Group 3: Coaching and Training - Zhang has started working with Australian coach Michael Ball, who has provided motivation and challenged her to step out of her comfort zone [9][13]. - The collaboration with Ball has been described as beneficial, with Zhang acknowledging the importance of having her own ideas and not remaining in a "protected" state as an athlete [9][13].

Group 1 - The 2025 National Swimming Championships took place in Shenzhen, Guangdong, where five gold medals were awarded [1] - Qin Haiyang won the men's 50m breaststroke with a time of 26.71 seconds, leading the runner-up by 0.27 seconds [1] - Li Bingjie claimed the women's 200m freestyle gold medal, setting a personal best of 1:55.52, marking her third gold of the event [1] Group 2 - The Zhejiang team, consisting of world champions, won the mixed 4×100m relay with a time of 3:44.95 [2] - Zhang Zhanshuo from Shandong won the men's 800m freestyle but expressed dissatisfaction with his performance due to health issues [2] - Olympic champions Pan Zhanle and Wang Shun advanced to the finals in their respective events scheduled for May 21 [2]