| Final 20:05 | time | L | React. | _____________ |
| 1. Jamaica | 3:32.31 | 4 | 0.259 | |
| Davita Prendagast, Nikita Tracey, Dominique Blake, Clora Williams |
| 2. Colombia | 3:33.03 | 3 | 0.247 | |
| Yennifer Padilla, Maria Idrobo, Darlenis Obregon, Norma Gonzalez |
| 3. Mexico | 3:33.33 | 6 | 0.278 | |
| Karla Duenas, Nallely Vela, Gabriela Medina, Zudikey Rodriguez |
| 4. Trinidad Tobago | 3:35.66 | 5 | 0.329 |
| Aleesha Barber, Janeil Belleile, Melissa De Leon, Afija Walker |
| 5. Dominicana | 3:36.40 | 8 | 0.433 |
| Raysa Sanchez, Diana Taylor, Margarita Manzueta, Yolanda Osana |
| 6. Puerto Rico | 3:44.00 | 2 | 0.429 |
| Stephanie Rosado, Beatriz Cruz, Kathyenid Rivera, Genoiska Cancel |
| -. Brit. Virgin Islands | DNS | 7 | |