Nithvik A. (born on April 5, 2018) of Tamil Nadu, India, set a record for swimming in a pool for the longest duration with tied hands and legs. He swam in the swimming pool for 56 minutes, with tied hands and legs, covering 12 laps (a distance of 600 meters) of the swimming pool (measuring 50 meters x 25 meters), under the guidance of coach Logu, at the age of 7 years, 1 month, and 29 days, as confirmed on June 11, 2025.