|  Final 19:46 | time | gap | L | React. | 50m | 100m | 150m |  | 1. Audrey Lacroix |  CAN | 2:07.68 |   | 5 | 0.70 | 28.66s | 1. | 1:00.34s | 1. | 1:33.46 | 1. |  | 2. Katherine Mills |  USA | 2:09.31 | 1.63 | 4 | 0.80 | 28.89s | 2. | 1:00.88s | 2. | 1:34.08 | 2. |  | 3. Joanna Maranhao |  BRA | 2:09.38 | 1.70 | 7 | 0.76 | 29.39s | 4. | 1:01.84s | 3. | 1:35.14 | 3. |  | 4. Andreina Pinto |  VEN | 2:09.51 | 1.83 | 3 | 0.74 | 29.56s | 5. | 1:02.13s | 5. | 1:35.43 | 4. |  | 5. Virginia Bardach |  ARG | 2:13.25 | 5.57 | 6 | 0.82 | 29.10s | 3. | 1:01.98s | 4. | 1:36.73 | 5. |  | 6. Isabella Paez |  VEN | 2:13.64 | 5.96 | 2 | 0.87 | 30.56s | 7. | 1:04.33s | 6. | 1:38.96 | 6. |  | 7. Diana Luna |  MEX | 2:13.90 | 6.22 | 8 | 0.78 | 31.08s | 8. | 1:05.52s | 8. | 1:39.65 | 7. |  | 8. Valerie Gruest |  GUA | 2:14.03 | 6.35 | 1 | 0.77 | 30.13s | 6. | 1:04.65s | 7. | 1:39.68 | 8. |   
| World Record: Liu Zige (CHN) 2:01.81, Jihan (CHN), 21.10.2009. |  | Pan American Games Record: Kathleen Hersey (USA) 2:07.64, Rio de Janeiro (BRA), 21.07.2007. |  | Qualification times. Standard A: 2:17.99, Standard B: 2:26.27. |   
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| Final B 19:46 | time | gap | L | React. | 50m | 100m | 150m |  | 9. Audrey Lacroix |  CAN | 2:07.68 |   | 5 | 0.70 | 28.66s | 1. | 1:00.34 | 1. | 1:33.46 | 1. |  | 10.Katherine Mills |  USA | 2:09.31 | 1.63 | 4 | 0.80 | 28.89s | 2. | 1:00.88 | 2. | 1:34.08 | 2. |  | 11.Joanna Maranhao |  BRA | 2:09.38 | 1.70 | 7 | 0.76 | 29.39s | 4. | 1:01.84 | 3. | 1:35.14 | 3. |  | 12.Andreina Pinto |  VEN | 2:09.51 | 1.83 | 3 | 0.74 | 29.56s | 5. | 1:02.13 | 5. | 1:35.43 | 4. |  | 13.Virginia Bardach |  ARG | 2:13.25 | 5.57 | 6 | 0.82 | 29.10s | 3. | 1:01.98 | 4. | 1:36.73 | 5. |  | 14.Isabella Paez |  VEN | 2:13.64 | 5.96 | 2 | 0.87 | 30.56s | 7. | 1:04.33 | 6. | 1:38.96 | 6. |  | 15.Diana Luna |  MEX | 2:13.90 | 6.22 | 8 | 0.78 | 31.08s | 8. | 1:05.52 | 8. | 1:39.65 | 7. |  | 16.Valerie Gruest |  GUA | 2:14.03 | 6.35 | 1 | 0.77 | 30.13s | 6. | 1:04.65 | 7. | 1:39.68 | 8. |   
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  Heats - Tuesday 14.07 10:29 |  | First 8 to Final. Next 8 to Final B.  |   
| Ranking | time | gap | L | React. | 50m | 100m | 150m | .Heat |  | 1. Katherine Mills |  USA | 2:08.89 | Q | 4 | 0.79 | 29.36s | 1. | 1:01.35 | 1. | 1:34.60 | 1. | Heat 2 |  | 2. Audrey Lacroix |  CAN | 2:10.33 | 1.44 | 4 | 0.81 | 29.28s | 1. | 1:01.72 | 1. | 1:36.19 | 1. | Heat 3 |  | 3. Andreina Pinto |  VEN | 2:10.98 | 2.09 | 5 | 0.77 | 29.80s | 3. | 1:03.04 | 2. | 1:36.86 | 3. | Heat 3 |  | 4. Virginia Bardach |  ARG | 2:12.31 | 3.42 | 6 | 0.80 | 29.77s | 2. | 1:03.09 | 2. | 1:37.08 | 2. | Heat 2 |  | 5. Isabella Paez |  VEN | 2:12.63 | 3.74 | 3 | 0.85 | 29.62s | 2. | 1:03.11 | 3. | 1:36.77 | 2. | Heat 3 |  | 6. Joanna Maranhao |  BRA | 2:12.64 | 3.75 | 4 | 0.77 | 30.56s | 4. | 1:03.91 | 1. | 1:38.35 | 1. | Heat 1 |  | 7. Valerie Gruest |  GUA | 2:13.87 | 4.98 | 6 | 0.72 | 30.22s | 2. | 1:04.90 | 3. | 1:39.39 | 2. | Heat 1 |  | 8. Diana Luna |  MEX | 2:14.21 | 5.32 | 3 | 0.76 | 30.50s | 3. | 1:04.24 | 3. | 1:38.79 | 3. | Heat 2 |  |  to Final B |  | 9. Jessica Camposano |  COL | 2:14.35 | 5.46 | 3 | 0.69 | 29.96s | 1. | 1:04.27 | 2. | 1:39.42 | 3. | Heat 1 |  | 10.Manuella Lyrio |  BRA | 2:15.55 | 6.66 | 6 | 0.73 | 30.67s | 5. | 1:04.45 | 4. | 1:39.43 | 4. | Heat 3 |  | 11.Kylie Stewart |  USA | 2:16.22 | 7.33 | 5 | 0.77 | 30.34s | 3. | 1:04.94 | 4. | 1:40.41 | 4. | Heat 1 |  | 12.Maria Fernanda Far |  PAN | 2:18.57 | 9.68 | 2 | 0.76 | 30.65s | 4. | 1:05.59 | 4. | 1:42.08 | 4. | Heat 2 |  | 12.Tereysa Lehnertz |  PUR | 2:18.57 | 9.68 | 2 | 0.76 | 30.55s | 4. | 1:05.34 | 5. | 1:41.41 | 5. | Heat 3 |  | 14.Estefania Urzua |  CHI | 2:19.23 | 10.34 | 2 | 0.86 | 31.94s | 5. | 1:06.78 | 5. | 1:42.49 | 5. | Heat 1 |  | 15.Lara Butler |  CAY | 2:22.81 | 13.92 | 7 | 0.85 | 31.22s | 5. | 1:06.60 | 5. | 1:43.72 | 5. | Heat 2 |  | 16.Trudian Patrick |  JAM | 2:24.26 | 15.37 | 7 | 0.69 | 31.71s | 6. | 1:07.31 | 6. | 1:45.29 | 6. | Heat 3 |  |  eliminated |  | 17.Daniella Van Den Berg |  ARU | 2:26.04 | 17.15 | 7 | 0.84 | 32.20s | 6. | 1:08.87 | 6. | 1:46.65 | 6. | Heat 1 |  | -. Noemie Thomas |  CAN | DNS |   | 5 |   |   |   |   |   |   |   | Heat 2 |   
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| Swimmer | Q. time | Birth |  | Audrey Lacroix |  CAN | 2:07.61 | 17 NOV 1983 |  | Katherine Mills |  USA | 2:09.63 | 21 MAR 1989 |  | Joanna Maranhao |  BRA | 2:09.77 | 29 APR 1987 |  | Andreina Pinto |  VEN | 2:10.17 | 10 SEP 1991 |  | Noemie Thomas |  CAN | 2:11.19 | 04 FEB 1996 |  | Kylie Stewart |  USA | 2:11.40 | 27 MAR 1996 |  | Isabella Paez |  VEN | 2:11.94 | 29 AUG 1995 |  | Diana Luna |  MEX | 2:13.24 | 26 APR 1991 |  | Jessica Camposano |  COL | 2:14.18 | 26 NOV 1992 |  | Manuella Lyrio |  BRA | 2:14.53 | 27 JUL 1989 |  | Virginia Bardach |  ARG | 2:15.25 | 03 APR 1992 |  | Valerie Gruest |  GUA | 2:15.80 | 14 MAR 1999 |  | Tereysa Lehnertz |  PUR | 2:16.84 | 30 NOV 1995 |  | Maria Fernanda Far |  PAN | 2:16.97 | 06 JAN 1998 |  | Estefania Urzua |  CHI | 2:17.28 | 18 AUG 1999 |  |  Standard A: 2:17.99 |  | Trudian Patrick |  JAM | 2:19.10 | 21 SEP 1995 |  | Lara Butler |  CAY | 2:20.50 | 02 OCT 1994 |  | Daniella Van Den Berg |  ARU | 2:25.52 | 24 MAY 1996 |  |  Standard B: 2:26.27 |   
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