- Pablo Fernández Álvarez
- 1:58:00 hour(s):minute(s):second(s)
- United States (Los Angeles)
The fastest time to swim 5 kilometres whilst wearing leg irons/ shackes is 1 hour 58 min, and was achieved by Pablo Fernández Álvarez (Spain) at the Santa Monica Bay in Redondo Beach, California, USA, on 4 October 2019.
This attempt was observed and verified by a representative from the World Open Water Swimming Association.