| Final | Team | time | L | Rk. | 100m | 200m | 300m | | 1. Joanna Maranhao | BRA | 4:52.84 | 4 | 1. | 1:04.86 | 2:19.78 | 3:46.37 | | 2. Larissa Freitas Cieslak | BRA | 5:01.58 | 8 | 8. | 1:06.81 | 2:26.09 | 3:53.96 | | 3. Samantha Michelle Arevalo Salinas | ECU | 5:03.77 | 5 | 2. | 1:09.51 | 2:30.22 | 3:56.88 | | 4. Virginia Bardach | ARG | 5:07.75 | 6 | 4. | 1:08.76 | 2:30.18 | 3:57.38 | | 5. Maria Alejandra Torres Perez | PER | 5:11.46 | 1 | 7. | 1:09.07 | 2:30.71 | 4:02.82 | | 6. Julia Arino | ARG | 5:13.09 | 3 | 3. | 1:11.89 | 2:31.73 | 3:59.03 | | 7. Erika Layne Stewardt | COL | 5:14.94 | 7 | 6. | 1:10.27 | 2:30.14 | 4:01.48 | | 8. Patricia Mariana Quevedo San Martin | PER | 5:15.76 | 2 | 5. | 1:13.30 | 2:37.22 | 4:04.48 |
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| Heat 1 | Team | time | L | Rk. | 100m | 200m | 300m | | 1. Virginia Bardach | ARG | 5:13.49 | 4 | 4. | 1:10.45 | 2:33.43 | 4:02.26 | | 2. Erika Layne Stewardt | COL | 5:14.86 | 3 | 6. | 1:11.96 | 2:31.53 | 4:02.80 | | 3. Maria Alejandra Torres Perez | PER | 5:15.10 | 6 | 7. | 1:09.99 | 2:32.04 | 4:06.22 | | 4. Larissa Freitas Cieslak | BRA | 5:15.15 | 5 | 8. | 1:08.68 | 2:30.06 | 4:01.76 | | 5. Daniela Reyes | CHI | 5:18.43 | 2 | 10. | 1:10.80 | 2:34.83 | 4:06.53 | | 6. Carla Silvana Bastidas Torres | ECU | 5:33.51 | 7 | 13. | 1:12.41 | 2:39.92 | 4:17.16 | | 7. Karlene Van Der Jagt | SUR | 5:44.14 | 1 | 14. | 1:16.50 | 2:46.38 | 4:29.25 |
| Heat 2 | Team | time | L | Rk. | 100m | 200m | 300m | | 1. Joanna Maranhao | BRA | 5:01.55 | 4 | 1. | 1:06.56 | 2:23.22 | 3:51.76 | | 2. Samantha Michelle Arevalo Salinas | ECU | 5:11.33 | 7 | 2. | 1:10.91 | 2:33.34 | 4:02.59 | | 3. Julia Arino | ARG | 5:11.35 | 5 | 3. | 1:11.20 | 2:31.41 | 3:59.28 | | 4. Patricia Mariana Quevedo San Martin | PER | 5:13.93 | 2 | 5. | 1:13.36 | 2:37.19 | 4:03.81 | | 5. Eliana Barrios | VEN | 5:16.83 | 3 | 9. | 1:08.34 | 2:31.47 | 4:04.29 | | 6. Carolina Munoz Restrepo | COL | 5:25.55 | 6 | 11. | 1:08.06 | 2:32.18 | 4:10.10 | | 7. Daniella Van Den Berg | ARU | 5:28.48 | 1 | 12. | 1:13.99 | 2:40.62 | 4:15.25 |
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