Longest scuba dive - open fresh water

According to Official Guinness Records,

Jerry Hall (USA) remained submerged at a depth of 3.6 m (12 ft) on a submerged platform in Watauga Lake, Tennessee, USA, for 120 hr 1 min 9 sec, from 29 August to 3 September 2004. In accordance with the rules, he did not surface at any time.
This is equivalent to 5 days 1 min 9 sec.

For a complete list of 2004 records, please visit 2004 Guinness Records in United States.

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