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Longest swim without stopping (open water)

The current longest swim without stopping (open water) record is 313 miles, held by Martin Strel, set on July 6, 2001. Last checked October 9, 2026.

313

miles

Martin Strel

Danube River, from Melk, Austria, to Paks, Hungary, 2001

Holder: Martin Strel
Record: 313 miles
Metric: 504.5 km
Exact figure: 504.5 km (313.17 miles)
Location: Danube River, from Melk, Austria, to Paks, Hungary
Date set: July 6, 2001
Recognized by: Guinness World Records
Last checked: October 9, 2026

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