| Final | time | L | | 1. United States | 8:01.18 | | Catherine Breed, Elizabeth Pelton, Chelsea Nauta, Amanda Kendall | | Kim Vandenberg, Erika Erndl | | 2. Brazil | 8:09.89 | | Joanna Maranhão, Jéssica Cavalheiro, Manuella Lyrio, Tatiana Barbosa | | Sarah Correa, Gabriela Rocha, Larissa Cieslak, Thamy Ventorini | | 3. Mexico | 8:12.19 | | Liliana Ibañez, Patricia Castañeda, Fernanda González, Susana Escobar | | Martha Beltrán, Rita Medrano |
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| Record: | | Standard A: | | Standard B: |
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