- Who
- Katie Ledecky
- What
- 08:04.79 minute(s):second(s)
- Where
- Brazil ()
- When
The fastest long course swim in 800 metres freestyle (female) is 8 minutes 4.79 seconds, achieved by Katie Ledecky (USA) at the 2016 Olympic Games, in Rio de Janeiro, Brazil, on 12 August 2016.
This record was achieved in the final of the 800 metres freestyle, in which Katie won gold. Overall at the Rio Olympics, Katie won four golds and one silver medal.