| Final 20:12 | time | +time | L |   |  | 1. Liuyang Jiao |  CHN | 2:04.06 | OR | 05 |  Stats |  | 2. Mireia Belmonte Garcia |  ESP | 2:05.25 | +1.19s | 06 |  Stats |  | 3. Natsumi Hoshi |  JPN | 2:05.48 | +1.42s | 03 |  Stats |  | 4. Kathleen Hersey |  USA | 2:05.78 | +1.72s | 04 |  Stats |  | 5. Cammile Adams |  USA | 2:06.78 | +2.72s | 01 |  Stats |  | 6. Jemma Lowe |  GBR | 2:06.80 | +2.74s | 08 |  Stats |  | 7. Zsuzsanna Jakabos |  HUN | 2:07.33 | +3.27s | 02 |  Stats |  | 8. Zige Liu |  CHN | 2:07.77 | +3.71s | 07 |  Stats |   
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   |  | Liuyang Jiao |   
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| Semi 1 | time | +time | L | Rk. |   |  | 1. Liuyang Jiao |  CHN | 2:06.10 | - | 04 | 2. |  Times |  | 2. Natsumi Hoshi |  JPN | 2:06.37 | 0.27s | 03 | 3. |  Times |  | 3. Cammile Adams |  USA | 2:07.33 | 1.23s | 06 | 7. |  Times |  | 4. Katinka Hosszu |  HUN | 2:07.69 | 1.59s | 05 | 9. |  Times |  | 5. Anja Klinar |  SLO | 2:07.84 | 1.74s | 01 | 11. |  Times |  | 6. Jessicah Schipper |  AUS | 2:08.21 | 2.11s | 07 | 13. |  Times |  | 7. Hye Ra Choi |  KOR | 2:08.32 | 2.22s | 02 | 14. |  Times |  | 8. Otylia Jedrzejczak |  POL | 2:13.09 | 6.99s | 08 | 16. |  Times |   
| Semi 2 | time | +time | L | Rk. |   |  | 1. Kathleen Hersey |  USA | 2:05.90 | - | 04 | 2. |  Times |  | 2. Mireia Belmonte Garcia |  ESP | 2:06.62 | 0.72s | 02 | 4. |  Times |  | 3. Zsuzsanna Jakabos |  HUN | 2:06.82 | 0.92s | 03 | 5. |  Times |  | 4. Zige Liu |  CHN | 2:06.99 | 1.09s | 07 | 6. |  Times |  | 5. Jemma Lowe |  GBR | 2:07.37 | 1.47s | 05 | 8. |  Times |  | 6. Martina Granstrom |  SWE | 2:07.83 | 1.93s | 01 | 10. |  Times |  | 7. Audrey Lacroix |  CAN | 2:08.00 | 2.10s | 08 | 12. |  Times |  | 8. Judit Ignacio Sorribes |  ESP | 2:08.96 | 3.06s | 06 | 15. |  Times |   
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|   | S | F |  | Semi 1 |   | 3  |  | Semi 2 |   | 5  |  | Heat 4 | 6 | 4 |  | Heat 3 | 4 | 2 |  | Heat 2 | 6 | 2  |  | Heat 1  |   
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| Heat 4 | time | +time | L | Rk. |   |  | 1. Kathleen Hersey |  USA | 2:06.41 | - | 06 | 1. |  Times |  | 2. Jemma Lowe |  GBR | 2:07.64 | 1.23s | 05 | 3. |  Times |  | 3. Zsuzsanna Jakabos |  HUN | 2:07.79 | 1.38s | 03 | 5. |  Times |  | 4. Zige Liu |  CHN | 2:08.72 | 2.31s | 04 | 11. |  Times |  | 5. Anja Klinar |  SLO | 2:09.24 | 2.83s | 01 | 14. |  Times |  | 6. Otylia Jedrzejczak |  POL | 2:09.33 | 2.92s | 02 | 16. |  Times |  | 7. Katerine Savard |  CAN | 2:11.05 | 4.64s | 07 | 19. |  Times |  | 8. Rita Medrano Munoz |  MEX | 2:11.42 | 5.01s | 08 | 23. |  Times |   
| Heat 3 | time | +time | L | Rk. |   |  | 1. Liuyang Jiao |  CHN | 2:07.15 | - | 04 | 2. |  Times |  | 2. Katinka Hosszu |  HUN | 2:07.75 | 0.60s | 06 | 4. |  Times |  | 3. Cammile Adams |  USA | 2:08.18 | 1.03s | 03 | 8. |  Times |  | 4. Martina Granstrom |  SWE | 2:08.94 | 1.79s | 02 | 13. |  Times |  | 5. Ellen Gandy |  GBR | 2:09.92 | 2.77s | 05 | 17. |  Times |  | 6. Samantha Hamill |  AUS | 2:11.07 | 3.92s | 07 | 20. |  Times |  | 7. Denisa Smolenova |  SVK | 2:11.10 | 3.95s | 08 | 21. |  Times |  | 8. Joanna Melo |  BRA | 2:13.17 | 6.02s | 01 | 26. |  Times |   
| Heat 2 | time | +time | L | Rk. |   |  | 1. Natsumi Hoshi |  JPN | 2:08.04 | - | 04 | 6. |  Times |  | 2. Judit Ignacio Sorribes |  ESP | 2:08.14 | 0.10s | 06 | 7. |  Times |  | 3. Mireia Belmonte Garcia |  ESP | 2:08.19 | 0.15s | 05 | 9. |  Times |  | 4. Hye Ra Choi |  KOR | 2:08.45 | 0.41s | 07 | 10. |  Times |  | 5. Jessicah Schipper |  AUS | 2:08.74 | 0.70s | 03 | 12. |  Times |  | 6. Audrey Lacroix |  CAN | 2:09.25 | 1.21s | 02 | 15. |  Times |  | 7. Martina van Berkel |  SUI | 2:12.25 | 4.21s | 01 | 25. |  Times |  | 8. Emilia Pikkarainen |  FIN | 2:13.81 | 5.77s | 08 | 27. |  Times |   
| Heat 1 | time | +time | L | Rk. |   |  | 1. Ingvild Snildal |  NOR | 2:10.99 | - | 05 | 18. |  Times |  | 2. Andreina Pinto Perez |  VEN | 2:11.23 | 0.24s | 03 | 22. |  Times |  | 3. Sara Oliveira |  POR | 2:11.54 | 0.55s | 04 | 24. |  Times |  | 4. Wan-Jung Cheng |  TPE | 2:14.29 | 3.30s | 06 | 28. |  Times |   
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|  Total eligible to participate 27 swimmers |   
|  Olympic Qualifying Time - 2:08.95 - 14+5 |  | Jessicah Schipper | AUS | 13. | Samantha Hamill | AUS | 20.  |  | Audrey Lacroix | CAN | 12. | Katerine Savard | CAN | 19. |  | Jiao Liuyang | CHN | 1. | Liu Zige | CHN | 8. |  | Ellen Gandy | GBR | 17. | Jemma Lowe | GBR | 6. |  | Mireia Belmonte García | ESP | 2. | Judit Ignacio | ESP | 15. |  | Cammile Adams | USA | 5. | Kathleen Hersey | USA | 4. |  | Zsuzsanna Jakabos | HUN | 7. | Katinka Hosszú | HUN | 9. |  | Natsumi Hoshi | JPN | 3. |  | Choi Hye-Ra | KOR | 14. |  | Otylia Jędrzejczak | POL | 16. |  | Martina Granström | SWE | 10. |   
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|  Olympic Selection Time - 2:13.46 - 9 |  | Anja Klinar | SLO | qoe | 11. |  | Joanna Maranhão | BRA | qoe | 26. |  | Martina Van Berkel | SUI | 2:09.69 | 25. |  | Rita Medrano | MEX | 2:10.15 | 23. |  | Denisa Smolenová | SVK | 2:10.70 | 20. |  | Emilia Pikkarainen | FIN | 2:10.89 | 27. |  | Sara Oliveira | POR | 2:10.96 | 24. |  | Ingvild Snildal | NOR | qoe | 18. |  | Cheng Wan-Jung | TPE | 2:12.02 | 28. |  | Andreina Pinto Perez | VEN |   | 22. |  |  no other available swimmers |   
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| Olympic Qualification time | time | place | date | birth |  | 1. Zige Liu | CHN | 2:04.40 | Wuhan(CHN) | 02.04.2011 | 31/03/1989 |  | 2. Liuyang Jiao | CHN | 2:04.44 | Wuhan(CHN) | 02.04.2011 | 06/08/1991 |  | 3. Natsumi Hoshi | JPN | 2:04.69 | Tokyo(JPN) | 02.04.2012 | 21/08/1990 |  | 4. Jemma Lowe | GBR | 2:05.36 | Sheffield(GBR) | 14.06.2011 | 31/03/1990 |  | 5. Ellen Gandy | GBR | 2:05.59 | Shanghai(CHN) | 24.07.2011 | 15/08/1991 |  | 6. Mireia Belmonte Garcia | ESP | 2:06.25 | Madrid(ESP) | 31.03.2011 | 10/11/1990 |  | 7. Zsuzsanna Jakabos | HUN | 2:06.35 | Shanghai(CHN) | 24.07.2011 | 03/04/1989 |  | 8. Cammile Adams | USA | 2:06.52 | Omaha(USA) | 25.06.2012 | 11/09/1991 |  | 9. Jessicah Schipper | AUS | 2:06.64 | Shanghai(CHN) | 24.07.2011 | 19/11/1986 |  | 10.Kathleen Hersey | USA | 2:06.89 | Santa Clara(USA) | 16.06.2011 | 21/02/1990 |  | 11.Katinka Hosszu | HUN | 2:07.03 | Debrecen(HUN) | 21.05.2012 | 03/05/1989 |  | 12.Judit Ignacio Sorribes | ESP | 2:07.87 | Madrid(ESP) | 31.03.2011 | 18/03/1994 |  | 13.Otylia Jedrzejczak | POL | 2:07.92 | London(GBR) | 03.03.2012 | 13/12/1983 |  | 14.Martina Granstroem | SWE | 2:08.01 | Shanghai(CHN) | 24.07.2011 | 05/08/1991 |  | 15.Audrey Lacroix | CAN | 2:08.61 | Victoria(CAN) | 30.03.2011 | 17/11/1983 |  | 16.Katerine Savard | CAN | 2:08.64 | Montreal(CAN) | 30.06.2011 | 26/05/1993 |  | 17.Samantha Hamill | AUS | 2:08.79 | Sydney(AUS) | 01.04.2011 | 23/02/1991 |  | 18.Hye Ra Choi | KOR | 2:08.81 | Shanghai(CHN) | 24.07.2011 | 20/05/1991 |   
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