Athletics at the 2011 Pan American Games – Women's 4 × 400 metres relay
The women's 4 × 400 metres relay competition of the athletics events at the 2011 Pan American Games took place on the 28th October at the Telmex Athletics Stadium. The defending Pan American Games champion were Aymée Martínez, Daimy Pernia, Zulia Calatayud and Indira Terrero of Cuba.
Records
Prior to this competition, the existing world and Pan American Games records were as follows:| World record | 3:15.17 | Seoul, South Korea | October 1, 1988 | |
| Pan American Games record | United States | 3:23.35 | Indianapolis, United States | August 16, 1987 |
Qualification
Each National Olympic Committee was able to enter one team.Schedule
Results
All times shown are in seconds.| KEY: | q | Fastest non-qualifiers | Q | Qualified | NR | National record | PB | Personal best | SB | Seasonal best | DQ | Disqualified |
Final
Held on October 28.| Rank | Nation | Athletes | Time | Notes |
| Aymée Martínez, Diosmely Peña, Susana Clement, Daisurami Bonne | 3:28.09 | |||
| Joelma Sousa, Geisa Coutinho, Bárbara de Oliveira, Jailma de Lima | 3:29.59 | |||
| Princesa Oliveros, Norma González, Evelis Aguilar, Jennifer Padilla | 3:29.94 | NR | ||
| 4 | Ciara Short, Leslie Cole, Takecia Jameson, Mackenzie Hill | 3:33.42 | ||
| 5 | Karla Saviñón, Gabriela Medina, Nallely Vela, Zudikey Rodriguez | 3:40.07 | ||
| 6 | Pamela Chalá, Celene Cevallos, Erika Chávez, Lucy Jaramillo | 3:45.59 | ||
| DNS | ||||
| DNS |