The 2026 National Finswimming Championships and World Championships Qualifiers were held in Guangzhou from April 1 to 6, 2026. Guan Hanzhi, a student from the School of Physical Education at Guangxi University, claimed gold medals in all 8 events he participated in and broke one national record.

During the competition, Guan won gold medals in the men's 50m fins swimming, 100m fins swimming, 200m fins swimming, 100m snorkel swimming, 200m snorkel swimming, 400m snorkel swimming, men's 4×50m fins swimming relay and men's 4×100m fins swimming relay respectively. Among them, he set a new national record in the men's 200m fins swimming.