12-year-old Yu Zidi won the championship in the women's 200-meter butterfly at the National Swimming Championships.

In the final of the women's 200m butterfly at the 2025 National Swimming Championships, 12-year-old Yu Zidi won the championship with a time of 2 minutes, 6 seconds, and 83 milliseconds, setting a personal best. Ma Yonghui and Gong Zhenqi finished second and third respectively.