- Who
- Dunia Camacho Marenco
- What
- 25:06.07 minute(s):second(s)
- Where
- Italy (Florence)
- When
The fastest long course 1,500 metres freestyle swim by a female swimmer in the T21 category is 25 min 06.07 sec, and was achieved by Dunia Camacho Marenco (Mexico) in Florence, Italy, on 20 July 2016.