| Event: | Women's 4 × 400 metres relay |
| Games: | 2015 |
| Venue: | CIBC Pan Am and Parapan Am Athletics Stadium |
| Dates: | July 24–25 |
| Competitors: | 51 |
| Nations: | 12 |
| Win Value: | 3:25.68 |
| Win Label: | Winning time |
| Gold: | Shamier Little Kyra Jefferson Shakima Wimbley Kendall Baisden Alysia Montaño |
| Goldnoc: | USA |
| Silver: | Anastasia Le-Roy Verone Chambers Chrisann Gordon Bobby-Gaye Wilkins |
| Silvernoc: | JAM |
| Bronze: | Brianne Theisen-Eaton Taylor Sharpe Sage Watson Sarah Wells Audrey Jean-Baptiste |
| Bronzenoc: | CAN |
| Prev: | 2011 |
| Next: | 2019 |
The women's 4 × 400 metres sprint competition of the athletics events at the 2015 Pan American Games took place between the 24 and 25 of July at the CIBC Pan Am and Parapan Am Athletics Stadium.[1] The defending Pan American Games champions were Aymée Martínez, Diosmely Peña, Susana Clement, Daisurami Bonne of Cuba.
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 | 3:23.35 | Indianapolis, United States | August 16, 1987 |
See main article: article and Athletics at the 2015 Pan American Games – Qualification. Each National Olympic Committee (NOC) ranked in the world's top 16 was able to enter one team.[2]
| Date | Time | Round | |
|---|---|---|---|
| July 24, 2015 | 12:00 | Semifinals | |
| July 25, 2015 | 21:45 | Final |
All times shown are in seconds.
| KEY: | bgcolor=ccffcc align=center | q | bgcolor=ccffcc align=center | Q | Qualified | NR | National record | PB | Personal best | SB | Seasonal best | DQ | Disqualified |
| Rank | Heat | Nation | Name | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 2 | 3:26.40 | Q | |||
| 2 | 1 | 3:28.15 | Q, SB | |||
| 3 | 2 | 3:30.29 | Q | |||
| 4 | 2 | 3:30.61 | Q | |||
| 5 | 1 | 3:31.18 | Q, SB | |||
| 6 | 2 | 3:31.21 | q, SB | |||
| 7 | 1 | 3:31.72 | Q, SB | |||
| 8 | 1 | 3:32.04 | q, SB | |||
| 9 | 2 | 3:32.29 | SB | |||
| 10 | 2 | 3:34.97 | ||||
| 11 | 1 | 3:39.01 | ||||
| 12 | 1 | 3:41.35 |
| Rank | Lane | Nation | Athletes | Time | Notes | |
|---|---|---|---|---|---|---|
| 6 | 3:25.68 | |||||
| 4 | 3:27.27 | |||||
| 8 | 3:27.74 | SB | ||||
| 4 | 5 | 3:31.22 | ||||
| 5 | 3 | 3:31.60 | ||||
| 6 | 2 | 3:33.16 | ||||
| 7 | 1 | 3:33.31 | ||||
| 7 |