| Final 19:41 | time | +time | L |   |  | 1. Allison Schmitt |  USA | 1:53.61 | OR | 05 |  Stats |  | 2. Camille Muffat |  FRA | 1:55.58 | +1.97s | 03 |  Stats |  | 3. Bronte Barratt |  AUS | 1:55.81 | +2.20s | 04 |  Stats |  | 4. Missy Franklin |  USA | 1:55.82 | +2.21s | 08 |  Stats |  | 5. Federica Pellegrini |  ITA | 1:56.73 | +3.12s | 06 |  Stats |  | 6. Veronika Popova |  RUS | 1:57.25 | +3.64s | 02 |  Stats |  | 7. Caitlin McClatchey |  GBR | 1:57.60 | +3.99s | 07 |  Stats |  | 8. Kylie Palmer |  AUS | 1:57.68 | +4.07s | 01 |  Stats |   
 | 
 | 
   |  | Allison Schmidtt |   
 | 
 |  
| Semi 1 | time | +time | L | Rk. |   |  | 1. Bronte Barratt |  AUS | 1:56.08 | - | 02 | 1. |  Times |  | 2. Allison Schmitt |  USA | 1:56.15 | 0.07s | 04 | 2. |  Times |  | 3. Camille Muffat |  FRA | 1:56.18 | 0.10s | 07 | 3. |  Times |  | 4. Veronika Popova |  RUS | 1:56.84 | 0.76s | 05 | 5. |  Times |  | 5. Barbara Jardin |  CAN | 1:57.91 | 1.83s | 03 | 10. |  Times |  | 6. Sarah Sjostrom |  SWE | 1:58.12 | 2.04s | 06 | 12. |  Times |  | 7. Sara Isakovic |  SLO | 1:58.47 | 2.39s | 08 | 14. |  Times |  | 8. Shijia Wang |  CHN | 1:58.63 | 2.55s | 01 | 15. |  Times |   
| Semi 2 | time | +time | L | Rk. |   |  | 1. Federica Pellegrini |  ITA | 1:56.67 | - | 04 | 4. |  Times |  | 2. Caitlin McClatchey |  GBR | 1:57.33 | 0.66s | 06 | 6. |  Times |  | 3. Kylie Palmer |  AUS | 1:57.44 | 0.77s | 07 | 7. |  Times |  | 4. Missy Franklin |  USA | 1:57.57 | 0.90s | 05 | 8. |  Times |  | 5. Melania Costa Schmid |  ESP | 1:57.76 | 1.09s | 03 | 9. |  Times |  | 6. Samantha Cheverton |  CAN | 1:57.98 | 1.31s | 02 | 11. |  Times |  | 7. Silke Lippok |  GER | 1:58.24 | 1.57s | 01 | 13. |  Times |  | 8. Hanae Ito |  JPN | 1:59.62 | 2.95s | 08 | 16. |  Times |   
 | 
 | 
 | 
|   | S | F |  | Semi 1 |   | 4  |  | Semi 2 |   | 4  |  | Heat 5 | 6 | 2 |  | Heat 4 | 5 | 3 |  | Heat 3 | 5 | 3  |  | Heat 2 |  | Heat 1  |   
 |  
| Heat 5 | time | +time | L | Rk. |   |  | 1. Allison Schmitt |  USA | 1:57.33 | - | 04 | 2. |  Times |  | 2. Melania Costa Schmid |  ESP | 1:57.79 | 0.46s | 07 | 5. |  Times |  | 3. Sarah Sjostrom |  SWE | 1:58.03 | 0.70s | 05 | 7. |  Times |  | 4. Kylie Palmer |  AUS | 1:58.16 | 0.83s | 03 | 11. |  Times |  | 5. Silke Lippok |  GER | 1:58.59 | 1.26s | 06 | 13. |  Times |  | 6. Sara Isakovic |  SLO | 1:58.96 | 1.63s | 01 | 16. |  Times |  | 7. Karin Prinsloo |  RSA | 1:59.24 | 1.91s | 08 | 20. |  Times |  | 8. Agnes Mutina |  HUN | 1:59.56 | 2.23s | 02 | 22. |  Times |   
| Heat 4 | time | +time | L | Rk. |   |  | 1. Caitlin McClatchey |  GBR | 1:58.03 | - | 02 | 7. |  Times |  | 2. Bronte Barratt |  AUS | 1:58.12 | 0.09s | 03 | 10. |  Times |  | 3. Camille Muffat |  FRA | 1:58.49 | 0.46s | 04 | 12. |  Times |  | 4. Shijia Wang |  CHN | 1:58.73 | 0.70s | 06 | 14. |  Times |  | 5. Hanae Ito |  JPN | 1:58.93 | 0.90s | 01 | 15. |  Times |  | 6. Nina Rangelova |  BUL | 1:59.21 | 1.18s | 08 | 19. |  Times |  | 7. Wenyan Song |  CHN | 1:59.47 | 1.44s | 07 | 21. |  Times |  | -. Femke Heemskerk |  NED | DNS |   | 05 |   |   |   
| Heat 3 | time | +time | L | Rk. |   |  | 1. Federica Pellegrini |  ITA | 1:57.16 | - | 05 | 1. |  Times |  | 2. Missy Franklin |  USA | 1:57.62 | 0.46s | 04 | 3. |  Times |  | 3. Veronika Popova |  RUS | 1:57.79 | 0.63s | 03 | 4. |  Times |  | 4. Barbara Jardin |  CAN | 1:57.92 | 0.76s | 06 | 6. |  Times |  | 5. Samantha Cheverton |  CAN | 1:58.11 | 0.95s | 07 | 9. |  Times |  | 6. Rebecca Turner |  GBR | 1:58.98 | 1.82s | 02 | 17. |  Times |  | 7. Ophelie-Cyrielle Etienne |  FRA | 1:59.15 | 1.99s | 01 | 18. |  Times |  | 8. Hang Yu Sze |  HKG | 1:59.92 | 2.76s | 08 | 23. |  Times |   
| Heat 2 | time | +time | L | Rk. |   |  | 1. Pernille Blume |  DEN | 2:00.91 | - | 05 | 24. |  Times |  | 2. Camelia Potec |  ROU | 2:01.15 | 0.24s | 06 | 25. |  Times |  | 3. Liliana Ibanez Lopez |  MEX | 2:01.36 | 0.45s | 02 | 26. |  Times |  | 4. Anna Stylianou |  CYP | 2:01.87 | 0.96s | 01 | 27. |  Times |  | 5. Katarina Filova |  SVK | 2:02.03 | 1.12s | 08 | 28. |  Times |  | 6. Jordis Steinegger |  AUT | 2:02.39 | 1.48s | 04 | 29. |  Times |  | 7. Hanna-Maria Seppala |  FIN | 2:04.21 | 3.30s | 07 | 32. |  Times |  | -. Grainne Murphy |  IRL | DNS |   | 03 |   |   |   
| Heat 1 | time | +time | L | Rk. |   |  | 1. Natthanan Junkrajang |  THA | 2:02.49 | - | 03 | 30. |  Times |  | 2. Danielle Villars |  SUI | 2:03.55 | 1.06s | 05 | 31. |  Times |  | 3. Il Joo Baek |  KOR | 2:04.32 | 1.83s | 04 | 33. |  Times |  | 4. Heather Arseth |  MRI | 2:07.81 | 5.32s | 06 | 34. |  Times |  | 5. Aurelie Fanchette |  SEY | 2:23.49 | 21.00s | 02 | 35. |  Times |   
 | 
 |  
| Total eligible to participate 36 swimmers |   
|  Olympic Qualifying Time - 1:58.33 - 12+9 |  | Bronte Barratt | AUS | 3. | Kylie Palmer | AUS | 8. |  | Song Wenyan | CHN | 21. | Wang Shijia | CHN | 15. |  | Camille Muffat | FRA | 2. | Ophelie-Cyrielle Etienne | FRA | 18. |  | Rebecca Turner | GBR | 17. | Caitlin McClatchley | GBR | 7. |  | Zsuzsanna Jakabos | HUN | DNS | Agnes Mutina | HUN | 22. |  | Allison Schmitt | USA | 1. | Missy Franklin | USA | 4. |  | Barbara Jardin | CAN | 10. | Samantha Cheverton | CAN | 11. |  | Melania Costa | ESP | 9. |  | Silke Lippok | GER | 13. |  | Federica Pellegrini | ITA | 5. |  | Hanae Ito | JPN | 16. |  | Femke Heemskerk | NED | DNS |  | Lauren Boyle | NZL | DNS |  | Veronika Popova | RUS | 6. |  | Sara Isakovič | SLO | 14. |  | Sarah Sjöström | SWE | 12. |   
 | 
|  Olympic Selection Time - 2:02.47 - 13 |  | Karin Prinsloo | RSA | qoe | 20. |  | Nina Rangelova | BUL | 1:59.30 | 19. |  | Sze Hang Yu | HKG | 1:59.57 | 23. |  | Jördis Steinegger | AUT | qoe | 29. |  | Grainne Murphy | IRL | qoe | DNS |  | Camelia Potec | ROU | qoe | 25. |  | Liliana Ibañez | MEX | 2:00.37 | 26. |  | Hanna-Maria Seppala | FIN | 2:00.80 | 32. |  | Anna Stylianou | CYP | 2:00.88 | 27. |  | Katarína Filová | SVK | 2:01.02 | 28. |  | Baek Il-Jung | KOR | 2:01.24 | 33. |  | Danielle Villars | SUI | 2:01.47 | 31. |  | Natthanan Junkrajang | THA | 2:01.49 | 30. |  | Pernille Blume | DEN |   | 24. |   
 | 
|  Wildcard Places - 2 |  | Heather Arseth | MRI | 34. |  | Aure Fanchette | SEY | 35. |   
 |  
| Olympic Qualification time | time | place | date | birth |  | 1. Allison Schmitt | USA | 1:54.40 | Omaha(USA) | 25.06.2012 | 07/06/1990 |  | 2. Camille Muffat | FRA | 1:54.66 | Canet-en-Roussillon(FRA) | 06.06.2012 | 28/10/1989 |  | 3. Missy Franklin | USA | 1:55.06 | Shanghai(CHN) | 24.07.2011 | 10/05/1995 |  | 4. Sarah Sjoestroem | SWE | 1:55.23 | London(GBR) | 03.03.2012 | 17/08/1993 |  | 5. Femke Heemskerk | NED | 1:55.54 | Shanghai(CHN) | 24.07.2011 | 21/09/1987 |  | 6. Federica Pellegrini | ITA | 1:55.58 | Shanghai(CHN) | 24.07.2011 | 05/08/1988 |  | 7. Kylie Palmer | AUS | 1:55.73 | Sydney(AUS) | 01.04.2011 | 25/02/1990 |  | 8. Bronte Barratt | AUS | 1:55.74 | Sydney(AUS) | 01.04.2011 | 08/02/1989 |  | 9. Veronika Popova | RUS | 1:56.94 | Strasburg(FRA) | 23.03.2011 | 20/01/1991 |  | 10.Silke Lippok | GER | 1:57.02 | Shanghai(CHN) | 24.07.2011 | 31/01/1994 |  | 11.Shijia Wang | CHN | 1:57.26 | Shaoxing(CHN) | 01.04.2012 | 25/08/1993 |  | 12.Barbara Jardin | CAN | 1:57.34 | Montreal(CAN) | 27.03.2012 | 22/10/1991 |  | 13.Agnes Mutina | HUN | 1:57.40 | Shanghai(CHN) | 24.07.2011 | 19/04/1988 |  | 14.Caitlin McClatchey | GBR | 1:57.45 | London(GBR) | 03.03.2012 | 28/11/1985 |  | 15.Rebecca Turner | GBR | 1:57.65 | London(GBR) | 03.03.2012 | 01/08/1992 |  | 16.Lauren Boyle | NZL | 1:57.72 | Shanghai(CHN) | 24.07.2011 | 14/12/1987 |  | 17.Melania Costa Schmid | ESP | 1:57.83 | Shanghai(CHN) | 24.07.2011 | 24/04/1989 |  | 18.Wenyan Song | CHN | 1:57.84 | Shaoxing(CHN) | 01.04.2012 | 09/04/1992 |  | 19.Sam Cheverton | CAN | 1:57.98 | Montreal(CAN) | 27.03.2012 | 11/08/1988 |  | 20.Sara Isakovic | SLO | 1:58.01 | Shanghai(CHN) | 24.07.2011 | 09/06/1988 |  | 21.Hanae Ito | JPN | 1:58.05 | Santa Clara(USA) | 31.05.2012 | 18/01/1985 |   
 | 
 |  
 |