Career
In August 2015, Li competed in the World Championships in Kazan, Russia. In the semifinals of the 100 meter butterfly he broke the junior world record with a time of 51.33. He finished 8th in the final.
A month later in Huangshan, Li broke the junior world record in the 200 meter butterfly (again in long course) with a time of 1:55.52.
As of September 9, 2015.