At just 12 years old, Yu Zidi made history. In her 4×100 meter medley relay at the 2024 World Aquatics Championships, Yu Zidi finished fourth for her team. They were 0.06 seconds behind bronze medalists Australia, who missed the podium. She shocked swimming fans everywhere and asked questions about age, talent, and global youth development in the sport.
Who Is Yu Zidi? The Young Athlete Behind the Buzz
Yu Zidi’s journey into elite swimming began by chance. During a scorching summer in China, her father took her to a local water park. At just six years old, her comfort and ease in the water caught the eye of a coach, who asked if she wanted to learn how to swim faster.
That question marked the beginning of a remarkable athletic journey. Now training at the Hebei Taihua Jinye Swimming Club, just south of Beijing, Yu has grown into one of the most watched young talents in Chinese swimming. Yu Zidi is from Baoding, the same city as Olympic medalist Li Bingjie, a fellow swimmer she now considers an inspiration.
Despite the pressure, Yu continues to balance school with a rigorous training schedule and has quickly risen through the ranks of China’s national swimming development program.

Breaking Down the Championship Performance
In Singapore, Yu swam the lead leg in China’s 4x200m freestyle relay heats. While not racing in the final, her performance helped China qualify, and she finished in third place overall. That makes Yu the youngest swimmer to win a medal at the World Aquatics Championships. She had even better events:
- 200m Individual Medley – 4th place, just 0.06 seconds from bronze
- 200m Butterfly – 4th place, 0.31 seconds short of a medal
- 400m Individual Medley – 4th place, 0.50 seconds off the podium
Swimmers, coaches, and fans around the world lauded Yu’s consistency and maturity at these events.

The Significance of Missing by 0.06 Seconds
A difference of 0.06 seconds in swimming can mean the blink of an eye. The margin of a fingertip at the wall. For Yu, it marked a moment of near history. Had China edged out Australia, Yu would have become the youngest female swimmer ever to win a medal at a senior world championship.
Although she missed the record, her showing proves she belongs at the top level. It also shows how the next generation is arriving sooner and stronger than ever before.
China’s Swimming Program and Youth Development Pipeline
Yu Zidi is a product of China’s deep commitment to building future champions. The country starts scouting talent young, giving promising swimmers access to top-tier training from the start.
Her performance isn’t just about individual talent. It highlights how strong and effective China’s development system really is. The way she handled pressure at just 12 years old shows how that early experience is already making a difference. It could be a sign that a new wave of young athletes is ready to take over the global stage.
What’s Next for Yu Zidi?
Yu turns 13 in October, and her future looks wide open. She’ll likely continue to compete at national and regional levels while her coaches strategically manage her competition schedule to protect her development.
But one thing is clear. The swimming world will be watching. Whether it’s the next world meet or the distant Olympic horizon, Yu Zidi’s story is just beginning.

Global Reactions and the Future of Youth Competition
Yu Zidi’s near-medal swim caused worldwide buzz. Many lauded her composure, skill, and maturity in the high-stakes race. Others asked whether pushing young athletes so early into elite competition is ethical, and others saw it as evidence of evolving standards in the sport.
Youth swimmers enter top-level meets younger and prepared. Yu’s race could cause national teams to rethink age, talent, and training. But the future of elite swimming may be younger than ever.
Frequently Asked Questions
How old is Yu Zidi?
She is 12 years old, born in 2011.
What event did Yu Zidi compete in?
She swam the freestyle anchor leg in the women’s 4x100m medley relay at the 2024 World Aquatics Championships.
Did China win a medal in that event?
No, they finished fourth, just 0.06 seconds behind Australia.
Why is Yu Zidi’s swim important?
She nearly became the youngest female swimmer ever to win a medal at a senior world championship.
What does this mean for the future of swimming?
It signals that younger athletes are reaching elite levels sooner, challenging traditional ideas about age and performance in the sport.