At the
2016 Junior Pan Pacific Swimming Championships, in
Hawaii,
United States, Bingjie won gold medals in the 200 metre freestyle with a 1:58.23, 400 metre freestyle with a 4:07.52, and the 800 metre freestyle with a 8:28.12. Bingjie competed at the
2017 World Aquatics Championships, winning two silver medals and a bronze. In 2018, she competed in the
World Short Course Championships in
Hangzhou and won a bronze medal in the Women's 400 meter freestyle. She added a gold medal in the women's 4 x 200 meter relay, swimming the first leg. In the 2018 Asian Games in Jakarta, Li won her first gold title in the 200m Women's Freestyle with a time of 1:56.74.
2021–2022 In 2021, Bingjie won the bronze medal in the
400 metre freestyle at the
2020 Summer Olympics with a time of 4:01.08, finishing 4.39 seconds behind gold medalist
Ariarne Titmus of
Australia. She was also a gold medalist in the
4×200 metre freestyle relay, splitting a 1:55.30 for the anchor leg of the relay to help set a new
world record of 7:40.33. Later in the year, at the
2021 World Short Course Championships in December, she won the world title and gold medal in the
800 metre freestyle with a
Championships record time of 8:02.90, which was 0.51 seconds faster than the former record set seven years earlier by
Mireia Belmonte of
Spain. The following day, she won the gold medal and world title in the
400 metre freestyle as well, finishing over two seconds ahead of silver medalist
Summer McIntosh of
Canada with a time 3:55.83. On 27 October 2022, at the 2022 Chinese National Swimming Championships, Bingjie won the gold medal in the
short course 400 metre freestyle with a
world record time of 3:51.30, lowering the former record of 3:53.92 set by Ariarne Titmus in 2018 by 2.62 seconds. Originally entered to compete in four individual events at the
2022 World Short Course Championships, the
200 metre freestyle,
400 metre freestyle,
800 metre freestyle, and the first-ever female
1500 metre freestyle at a
World Short Course Championships, Bingjie was unable to compete after arriving in
Melbourne, Australia due to contracting
COVID-19. ==International championships (50 m)==