| 1. Yu Zidi hails from Baoding, Hebei Province, China. |
| 2. She began her swimming journey at the tender age of six, excelling particularly in technical events like the medley and butterfly. |
| 3. An early encounter with a swim coach at a water park during a summer vacation steered her towards competitive swimming. |
| 4. By the time she turned 9, she had relocated to Hengshui for formal training at the Hebei Taihua Jinye Swimming Club, which also supported her education and living arrangements. |
| 5. At just 11 years old, she clinched multiple national junior titles in China and made headlines by qualifying for senior-level national competitions. |
| 6. Her aspiration to compete in the 2024 Summer Olympics came close when she managed a time just shy of the qualifying mark in the individual medley. |
| 7. During the national championships, she achieved remarkable personal bests that aligned with World Aquatics ‘A’ qualifying standards, despite her young age. |
| 8. She made history as the youngest Chinese swimmer to complete the 200 m Individual Medley under 2:10. |
| 9. Trained by Olympic medalist Li Bingjie, who she looks up to as an idol, she has also garnered international attention for her swimming prowess. |
| 10. An impressive performance at the 2025 World Aquatics Championships has set benchmarks for young swimmers, establishing her as a formidable competitor on the international stage. |
| 11. She began her swimming journey at the tender age of six when her father took her to a water park to cool off during summer, where she was noticed by a swim coach. |
| 12. By the time she turned nine, she had relocated to Hengshui for formal training at the Hebei Taihua Jinye Swimming Club. |
| 13. At the 2024 Chinese National Championships at age 11, she set personal bests in 9 events, ranking among the top all-time performers for her age group. |
| 14. Trained by Olympic medalist Li Bingjie, who she looks up to as an idol, she has garnered international attention for her swimming prowess. |
| 15. Her time of 2:06.83 in the 200m butterfly at the 2025 Chinese National Championships would have placed her fourth at the 2024 Paris Olympics and would have won gold at the 2024 World Championships. |
| 16. She is the second-youngest swimmer ever to appear at the World Aquatics Championships, after Bahrain's Alzain Tareq, who debuted at age 10 in 2015. |