The defending Pan American Games champion is Muriel Coneo from Colombia.

Aisha Praught-Leer moved into marking position and that is the way the lead group held for the next lap and a half.

As they approached the bell, then around the turn, Hiltz moved around Efraimson and into a marking position on Praught's shoulder.

Efraimson tried to catch Praught for silver, but couldn't make any progress.

Prior to this competition, the existing world and Pan American Games records were as follows: