| Final | Team | time | L | Rk. | 100m | 200m | 300m | | 1. Joanna Maranhao | BRA | 4:13.79 | 5 | 2. | 1:01.21 | 2:05.20 | 3:09.81 | | 2. Kristel Arianne Kobrich Schimpl | CHI | 4:15.26 | 4 | 1. | 1:01.70 | 2:05.93 | 3:10.87 | | 3. Cecilia Elizabeth Biagioli | ARG | 4:15.55 | 3 | 3. | 1:01.36 | 2:05.43 | 3:10.65 | | 4. Yanel Adriana Pinto | VEN | 4:27.94 | 6 | 4. | 1:03.06 | 2:09.63 | 3:18.31 | | 5. Nicole Maria Marmol Gilbert | ECU | 4:29.46 | 1 | 7. | 1:05.18 | 2:13.62 | 3:21.68 | | 6. Andrea Del Rosario Cedron Rodriguez | PER | 4:31.83 | 8 | 8. | 1:05.03 | 2:14.85 | 3:24.36 | | 7. Darneyis Orozco | VEN | 4:34.13 | 7 | 6. | 1:04.07 | 2:13.18 | 3:24.44 | | 8. Sarah Correa | BRA | 4:37.96 | 2 | 5. | 1:04.06 | 2:13.35 | 3:25.86 |
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| Heat 1 | Team | time | L | Rk. | 100m | 200m | 300m | | 1. Joanna Maranhao | BRA | 4:27.50 | 5 | 2. | 1:04.55 | 2:12.13 | 3:19.92 | | 2. Cecilia Elizabeth Biagioli | ARG | 4:27.59 | 4 | 3. | 1:04.39 | 2:12.14 | 3:19.36 | | 3. Sarah Correa | BRA | 4:30.32 | 3 | 5. | 1:04.49 | 2:12.87 | 3:21.96 | | 4. Darneyis Orozco | VEN | 4:30.92 | 6 | 6. | 1:04.81 | 2:13.17 | 3:22.09 | | 5. Samantha Michelle Arevalo Salinas | ECU | 4:35.08 | 7 | 11. | 1:05.98 | 2:15.19 | 3:25.78 | | 6. Mariana Schnettler Ramirez | CHI | 4:38.48 | 1 | 12. | 1:06.71 | 2:16.27 | 3:27.97 | | 7. Marcela Perez Martinez | COL | 4:47.13 | 2 | 13. | 1:07.12 | 2:19.25 | 3:33.43 |
| Heat 2 | Team | time | L | Rk. | 100m | 200m | 300m | | 1. Kristel Arianne Kobrich Schimpl | CHI | 4:26.78 | 5 | 1. | 1:04.47 | 2:11.49 | 3:18.91 | | 2. Yanel Adriana Pinto | VEN | 4:28.57 | 3 | 4. | 1:03.58 | 2:11.05 | 3:19.18 | | 3. Nicole Maria Marmol Gilbert | ECU | 4:30.99 | 6 | 7. | 1:05.89 | 2:15.75 | 3:23.97 | | 4. Andrea Del Rosario Cedron Rodriguez | PER | 4:31.70 | 2 | 8. | 1:04.39 | 2:13.63 | 3:23.94 | | 5. Isabela Acuna Osorno | COL | 4:33.14 | 1 | 9. | 1:04.69 | 2:13.84 | 3:23.97 | | 6. Maria Alejandra Torres Perez | PER | 4:34.54 | 7 | 10. | 1:04.45 | 2:13.17 | 3:23.48 | | 7. Ayelen Becker | ARG | 4:52.23 | 4 | 14. | 1:08.77 | 2:22.96 | 3:37.77 | | -. Karlene Van Der Jagt | SUR | DNS | 8 | 15. | | | |
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