| Final 19:49 | time | +time | L |   |  | 1. Chad le Clos |  RSA | 1:52.96 | AF | 05 |  Stats |  | 2. Michael Phelps |  USA | 1:53.01 | +0.05s | 06 |  Stats |  | 3. Takeshi Matsuda |  JPN | 1:53.21 | +0.25s | 04 |  Stats |  | 4. Dinko Jukic |  AUT | 1:54.35 | +1.39s | 07 |  Stats |  | 5. Tyler Clary |  USA | 1:55.06 | +2.10s | 02 |  Stats |  | 6. Velimir Stjepanovic |  SRB | 1:55.07 | +2.11s | 08 |  Stats |  | 7. Pawel Korzeniowski |  POL | 1:55.08 | +2.12s | 01 |  Stats |  | 8. Yin Chen |  CHN | 1:55.18 | +2.22s | 03 |  Stats |   
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   |  | Chad Le Clos |   
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| Semi 1 | time | +time | L | Rk. |   |  | 1. Takeshi Matsuda |  JPN | 1:54.25 | - | 06 | 1. |  Times |  | 2. Chad le Clos |  RSA | 1:54.34 | 0.09s | 05 | 2. |  Times |  | 3. Yin Chen |  CHN | 1:54.43 | 0.18s | 03 | 3. |  Times |  | 4. Tyler Clary |  USA | 1:54.93 | 0.68s | 04 | 5. |  Times |  | 5. Peng Wu |  CHN | 1:55.65 | 1.40s | 02 | 11. |  Times |  | 6. Nick D'Arcy |  AUS | 1:56.07 | 1.82s | 07 | 13. |  Times |  | 7. Ioannis Drymonakos |  GRE | 1:58.05 | 3.80s | 08 | 15. |  Times |  | 8. Chris Wright |  AUS | 1:58.56 | 4.31s | 01 | 16. |  Times |   
| Semi 2 | time | +time | L | Rk. |   |  | 1. Michael Phelps |  USA | 1:54.53 | - | 03 | 4. |  Times |  | 2. Dinko Jukic |  AUT | 1:54.95 | 0.42s | 04 | 6. |  Times |  | 3. Pawel Korzeniowski |  POL | 1:55.04 | 0.51s | 07 | 7. |  Times |  | 4. Velimir Stjepanovic |  SRB | 1:55.13 | 0.60s | 05 | 8. |  Times |  | 5. Bence Biczo |  HUN | 1:55.36 | 0.83s | 01 | 9. |  Times |  | 6. Kazuya Kaneda |  JPN | 1:55.56 | 1.03s | 06 | 10. |  Times |  | 7. Laszlo Cseh |  HUN | 1:55.88 | 1.35s | 02 | 12. |  Times |  | 8. Nikolay Skvortsov |  RUS | 1:56.53 | 2.00s | 08 | 14. |  Times |   
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|   | S | F |  | Semi 1 |   | 4  |  | Semi 2 |   | 4  |  | Heat 5 | 6 | 4 |  | Heat 4 | 4 | 1 |  | Heat 3 | 6 | 3 |  | Heat 2 |  | Heat 1  |   
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| Heat 5 | time | +time | L | Rk. |   |  | 1. Dinko Jukic |  AUT | 1:54.79 | - | 03 | 1. |  Times |  | 2. Tyler Clary |  USA | 1:54.96 | 0.17s | 06 | 2. |  Times |  | 3. Michael Phelps |  USA | 1:55.53 | 0.74s | 04 | 5. |  Times |  | 4. Pawel Korzeniowski |  POL | 1:56.09 | 1.30s | 02 | 11. |  Times |  | 5. Nick D'Arcy |  AUS | 1:56.25 | 1.46s | 05 | 12. |  Times |  | 6. Chris Wright |  AUS | 1:56.69 | 1.90s | 01 | 14. |  Times |  | 7. Roberto Pavoni |  GBR | 1:57.55 | 2.76s | 07 | 20. |  Times |  | 8. Joseph Schooling |  SIN | 1:59.18 | 4.39s | 08 | 26. |  Times |   
| Heat 4 | time | +time | L | Rk. |   |  | 1. Takeshi Matsuda |  JPN | 1:55.81 | - | 04 | 8. |  Times |  | 2. Laszlo Cseh |  HUN | 1:55.86 | 0.05s | 03 | 9. |  Times |  | 3. Bence Biczo |  HUN | 1:56.51 | 0.70s | 05 | 13. |  Times |  | 4. Nikolay Skvortsov |  RUS | 1:56.76 | 0.95s | 01 | 15. |  Times |  | 5. Kaio Almeida |  BRA | 1:56.99 | 1.18s | 06 | 17. |  Times |  | 6. Marcin Cieslak |  POL | 1:57.07 | 1.26s | 07 | 19. |  Times |  | 7. Leonardo Deus |  BRA | 1:58.03 | 2.22s | 02 | 21. |  Times |  | 8. Stefanos Dimitriadis |  GRE | 1:58.79 | 2.98s | 08 | 23. |  Times |   
| Heat 3 | time | +time | L | Rk. |   |  | 1. Velimir Stjepanovic |  SRB | 1:54.99 | - | 07 | 3. |  Times |  | 2. Chad le Clos |  RSA | 1:55.23 | 0.24s | 03 | 4. |  Times |  | 3. Yin Chen |  CHN | 1:55.60 | 0.61s | 05 | 6. |  Times |  | 4. Kazuya Kaneda |  JPN | 1:55.70 | 0.71s | 06 | 7. |  Times |  | 5. Peng Wu |  CHN | 1:55.88 | 0.89s | 04 | 10. |  Times |  | 6. Ioannis Drymonakos |  GRE | 1:56.97 | 1.98s | 01 | 16. |  Times |  | 7. Joe Roebuck |  GBR | 1:56.99 | 2.00s | 02 | 17. |  Times |  | 8. Robert Zbogar |  SLO | 1:58.99 | 4.00s | 08 | 24. |  Times |   
| Heat 2 | time | +time | L | Rk. |   |  | 1. Pedro Oliveira |  POR | 1:58.45 | - | 03 | 22. |  Times |  | 2. Mauricio Fiol Villanueva |  PER | 1:59.02 | 0.57s | 08 | 25. |  Times |  | 3. Marcos Lavado Mora |  VEN | 1:59.31 | 0.86s | 01 | 27. |  Times |  | 4. Illya Chuyev |  UKR | 1:59.65 | 1.20s | 02 | 28. |  Times |  | 5. Alexandru Coci |  ROU | 1:59.67 | 1.22s | 05 | 29. |  Times |  | 6. Chi-Chieh Hsu |  TPE | 1:59.81 | 1.36s | 07 | 30. |  Times |  | 7. David Sharpe |  CAN | 1:59.87 | 1.42s | 06 | 31. |  Times |  | 8. Alexandre Liess |  SUI | 2:00.13 | 1.68s | 04 | 33. |  Times |   
| Heat 1 | time | +time | L | Rk. |   |  | 1. Gal Nevo |  ISR | 1:59.98 | - | 04 | 32. |  Times |  | 2. Omar Pinzon Garcia |  COL | 2:02.32 | 2.34s | 03 | 34. |  Times |  | 3. Diego Castillo |  PAN | 2:04.72 | 4.74s | 06 | 35. |  Times |  | 4. Yousef Alaskari |  KUW | 2:05.41 | 5.43s | 05 | 36. |  Times |  | 5. Hocine Haciane Constantin |  AND | 2:06.37 | 6.39s | 02 | 37. |  Times |   
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|  Total eligible to participate 35 swimmers |   
|  Olympic Qualifying Time - 1:56.85 - 18+5 |  | Nick D'Arcy | AUS | 13. | Chris Wright | AUS | 16. |  | Leonardo de Deus | BRA | 21. | Kaio Almeida | BRA | 17. |  | Chen Yin | CHN | 8. | Wu Peng | CHN | 11. |  | Joseph Roebuck | GBR | 17. | Roberto Pavoni | GBR | 20. |  | Ioannis Drymonakos | GRE | 23. | Stefanos Dimitriadis | GRE | 15. |  | Bence Biczó | HUN | 9. | László Cseh | HUN | 12. |  | Kazuya Kaneda | JPN | 10. | Takeshi Matsuda | JPN | 3. |  | Marcin Cieślak | POL | 19. | Paweł Korzeniowski | POL | 7. |  | Michael Phelps | USA | 2. | Tyler Clary | USA | 5. |  | Dinko Jukic | AUT | 4. |  | Nikolay Skvortsov | RUS | 14. |  | Velimir Stjepanović | SRB | 6. |  | Joseph Schooling | SIN | 26. |  | Chad Le Clos | RSA | 1. |   
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|  Olympic Selection Time - 2:00.95 - 11 |  | Robert Žbogar | SLO | 1:57.71 | 24. |  | Alexandre Liess | SUI | 1:58.13 | 33. |  | Alexandru Coci | ROU | 1:58.34 | 29. |  | Pedro Oliveira | POR | 1:58.42 | 22. |  | David Sharpe | CAN | 1:58.50 | 31. |  | Illya Chuyev | UKR | 1:58.81 | 28. |  | Hsu Chi-Chieh | TPE | 1:58.88 | 30. |  | Marcos Lavado | VEN | 1:59.25 | 27. |  | Mauricio Fiol Villanueva | PER |   | 25. |  | Gal Nevo | ISR | qoe | 32. |  | Omar Andres Pinzón | COL | qoe | 34. |   
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|  Wildcard Places - 1 |  | Hocine Haciane | AND | 37. |  | Yousef Alaskari | KUW | 36. |  | Diego Castillo | PAN | 35. |   
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| Olympic Qualification time | time | place | date | birth |  | 1. Michael Phelps | USA | 1:53.34 | Shanghai(CHN) | 24.07.2011 | 30/06/1985 |  | 2. Takeshi Matsuda | JPN | 1:54.01 | Tokyo(JPN) | 02.04.2012 | 23/06/1984 |  | 3. Peng Wu | CHN | 1:54.67 | Shanghai(CHN) | 24.07.2011 | 16/05/1987 |  | 4. Nick D'Arcy | AUS | 1:54.71 | Adelaide(AUS) | 15.03.2012 | 23/07/1987 |  | 5. Bence Biczo | HUN | 1:54.79 | Debrecen(HUN) | 22.06.2011 | 19/01/1993 |  | 6. Yin Chen | CHN | 1:54.80 | Shanghai(CHN) | 24.07.2011 | 29/03/1986 |  | 7. Dinko Jukic | AUT | 1:54.94 | Shanghai(CHN) | 24.07.2011 | 09/01/1989 |  | 8. Laszlo Cseh | HUN | 1:54.95 | Debrecen(HUN) | 21.05.2012 | 03/12/1985 |  | 9. Chad Le Clos | RSA | 1:55.07 | Shanghai(CHN) | 24.07.2011 | 12/04/1992 |  | 10.Tyler Clary | USA | 1:55.12 | Omaha(USA) | 25.06.2012 | 12/03/1989 |  | 11.Kaio Almeida | BRA | 1:55.22 | Rio De Janeiro(BRA) | 03.05.2011 | 19/10/1984 |  | 12.Kazuya Kaneda | JPN | 1:55.39 | Tokyo(JPN) | 02.04.2012 | 05/11/1987 |  | 13.Pawel Korzeniowski | POL | 1:55.39 | Shanghai(CHN) | 24.07.2011 | 09/07/1985 |  | 14.Leonardo Deus | BRA | 1:55.55 | Shanghai(CHN) | 24.07.2011 | 18/01/1991 |  | 15.Joe Roebuck | GBR | 1:55.94 | London(GBR) | 03.03.2012 | 05/06/1985 |  | 16.Roberto Pavoni | GBR | 1:56.10 | London(GBR) | 03.03.2012 | 22/03/1991 |  | 17.Marcin Cieslak | POL | 1:56.13 | Shanghai(CHN) | 24.07.2011 | 07/04/1992 |  | 18.Velimir Stjepanovic | SRB | 1:56.18 | London(GBR) | 03.03.2012 | 07/08/1993 |  | 19.Chris Wright | AUS | 1:56.40 | Adelaide(AUS) | 15.03.2012 | 07/05/1988 |  | 20.Nikolay Skvortsov | RUS | 1:56.43 | Moscow(RUS) | 18.04.2011 | 28/03/1984 |  | 21.Ioannis Drymonakos | GRE | 1:56.48 | Debrecen(HUN) | 21.05.2012 | 18/01/1984 |  | 22.Joseph Schooling | SIN | 1:56.67 | Palembang(INA) | 12.11.2011 | 16/06/1995 |  | 23.Stefanos Dimitriadis | GRE | 1:56.82 | Shanghai(CHN) | 24.07.2011 | 08/09/1989 |   
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