- Who
- Jessica Salazar Valles
- What
- 32.268 secs second(s)
- Where
- Mexico (Aguascalientes)
- When
The fastest unpaced cycle over 500 metres from a standing start is 32.268 seconds and was achieved by Jessica Salazar Valles (Mexico) at the Pan American Championships in Aguascalientes, Mexico, on 7 October 2016.
The 21-year-old Salazar broke the record set in Grenchen, Switzerland, almost a year earlier by Anastasia Voynova, who had become the second woman to break 33 seconds with a time of 32.794 seconds.