Longest distance ocean swim (marathon swimming)
Who
Pablo Fernandez
What
250 kilometre(s)
Where
United States (Miami)
When
The longest distance ocean swim (marathon swimming) is 250 km (155.34 miles), and was achieved by Pablo Fernandez (Spain) in Miami, Florida, USA, on 19-20 July 2021.
Pablo beat the previous record, which had not been broken in 15 years. He also achieved the record for Farthest distance swam in 24 hours - open water (male) in the same swim.