Longest distance swimming non-stop (individual, open water)

Longest distance swimming non-stop (individual, open water)
Who
Martin Strel
What
504.5 kilometre(s)
Where
Hungary (Paks)
When
Age Restriction: Applications for this record title will only be accepted if the applicant is 16 years of age or over.

The longest non-stop open-water swim by an individual is 504.5 km (313.17 miles) by Martin Strel (Slovenia), who swam the Danube from Melk (Austria) to Paks (Hungary) in 84 hr 10 min on 3-6 July 2001.