The record for performing the deepest free dive in a river was set by Biva James (born on November 18, 2015) of Kollam, Kerala. She dived to a depth of 14 feet (4.27 metres) in Ithikkara river (Kollam) without the aid of an oxygen cylinder, taking 13 seconds to dive deep freely and reappearing at the surface, at the age of 8 years, 7 months and 1 day.