| Final 20:00 | time | | L | bib | | 1. David Lekuta Rudisha |  KEN | 1:40.91 | WR | 3 | 2319 | | 2. Nijel Amos |  BOT | 1:41.73 | NR | 4 | 1211 | | 3. Timothy Kitum | KEN | 1:42.53 | PB | 2 | 2306 | | 4. Duane Solomon |  USA | 1:42.82 | PB | 6 | 3252 | | 5. Nick Symmonds | USA | 1:42.95 | PB | 7 | 3254 | | 6. Mohammed Aman |  ETH | 1:43.20 | NR | 5 | 1678 | | 7. Abubaker Kaki |  SUD | 1:43.32 | SB | 8 | 2967 | | 8. Andrew Osagie |  GBR | 1:43.77 | PB | 1 | 1827 |
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| - Tuesday 07.08 19:55 - First 2 and Best 2 progress. |
| Semi 1 | time | | L | bib | Rk. | | 1. Abubaker Kaki | SUD | 1:44.51 | | 3 | 2967 | 3. | | 2. Nijel Amos | BOT | 1:44.54 | | 6 | 1211 | 4. | | 3. Adam Kszczot |  POL | 1:45.34 | | 4 | 2655 | 12. | | 4. Anthony Chemut | KEN | 1:45.63 | | 5 | 2293 | 14. | | 5. Robert Lathouwers |  NED | 1:45.85 | | 8 | 2545 | 16. | | 6. Luis Alberto Marco |  ESP | 1:46.19 | | 7 | 1624 | 18. | | 7. Fabiano Pecanha |  BRA | 1:46.29 | | 1 | 1230 | 19. | | -. Sajad Moradi |  IRI | DQ 163.3a | 2 | 2085 | |
| Semi 2 | time | | L | bib | Rk. | | 1. David Lekuta Rudisha | KEN | 1:44.35 | | 7 | 2319 | 2. | | 2. Andrew Osagie | GBR | 1:44.74 | | 8 | 1827 | 6. | | 3. Nick Symmonds | USA | 1:44.87 | | 6 | 3254 | 7. | | 4. Marcin Lewandowski | POL | 1:45.08 | | 5 | 2658 | 9. | | 5. Yuriy Borzakovskiy |  RUS | 1:45.09 | SB | 3 | 2803 | 10. | | 6. Kevin Lopez | ESP | 1:46.66 | | 4 | 1622 | 20. | | 7. Musaeb Abdulrahman Balla |  QAT | 1:47.52 | | 2 | 2754 | 21. | | 8. Hamada Mohamed |  EGY | 1:48.18 | | 9 | 1588 | 22. | | 9. Andy Gonzalez |  CUB | 1:53.46 | | 1 | 1471 | 24. |
| Semi 3 | time | | L | bib | Rk. | | 1. Mohammed Aman | ETH | 1:44.34 | | 4 | 1678 | 1. | | 2. Timothy Kitum | KEN | 1:44.63 | | 5 | 2306 | 5. | | 3. Duane Solomon | USA | 1:44.93 | | 3 | 3252 | 8. | | 4. Pierre-Ambroise Bosse |  FRA | 1:45.10 | | 7 | 1745 | 11. | | 5. Andre Olivier |  RSA | 1:45.44 | | 6 | 2789 | 13. | | 6. Antonio Manuel Reina | ESP | 1:45.84 | | 8 | 1634 | 15. | | 7. Geoffrey Harris |  CAN | 1:46.14 | | 1 | 1290 | 17. | | 8. Abdulaziz Ladan Mohammed |  KSA | 1:48.98 | | 2 | 2375 | 23. |
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| - Monday 06.08 10:50 - First 3 and Best 3 progress. | | Marcin Lewandowski (POL) added. |
| Heat 1 | time | | L | bib | Rk. | | 1. Nijel Amos | BOT | 1:45.90 | | 7 | 1211 | 3. | | 2. Fabiano Pecanha | BRA | 1:46.29 | | 8 | 1230 | 13. | | 3. Luis Alberto Marco | ESP | 1:46.86 | | 6 | 1624 | 20. | | 4. Khadevis Robinson | USA | 1:47.17 | | 4 | 3248 | 25. | | 5. Marcin Lewandowski | POL | 1:47.64 | | 1 | 2658 | 29. | | 6. Ivan Tukhtachev | RUS | 1:49.77 | | 2 | 2837 | 44. | | 7. Derek Mandell |  GUM | 1:58.94 | | 5 | 2022 | 50. | | -. Mohammad Al-azemi |  KUW | DQ 163.2 | 3 | 2380 | |
| Heat 2 | time | | L | bib | Rk. | | 1. David Lekuta Rudisha | KEN | 1:45.90 | | 6 | 2319 | 3. | | 2. Musaeb Abdulrahman Balla | QAT | 1:46.37 | | 7 | 2754 | 15. | | 3. Andrew Osagie | GBR | 1:46.42 | | 3 | 1827 | 17. | | 4. Wesley Vazquez |  PUR | 1:46.45 | | 5 | 2748 | 19. | | 5. Jeffrey Riseley |  AUS | 1:46.99 | | 8 | 1056 | 23. | | 6. Ismail Ahmed Ismail | SUD | 1:48.79 | | 4 | 2966 | 40. | | 7. Anis Ananenka |  BLR | 1:49.61 | | 1 | 1157 | 43. | | 8. Samorn Kieng |  CAM | 1:55.26 | SB | 2 | 1277 | 48. |
| Heat 3 | time | | L | bib | Rk. | | 1. Abubaker Kaki | SUD | 1:45.51 | | 5 | 2967 | 1. | | 2. Timothy Kitum | KEN | 1:45.72 | | 8 | 2306 | 2. | | 3. Abdulaziz Ladan Mohammed | KSA | 1:46.09 | | 4 | 2375 | 11. | | 4. Andy Gonzalez | CUB | 1:46.24 | | 6 | 1471 | 12. | | 5. Gareth Warburton | GBR | 1:46.97 | | 2 | 1841 | 22. | | 6. Tamas Kazi |  HUN | 1:47.10 | SB | 3 | 2043 | 24. | | 7. Soren Ludolph |  GER | 1:48.57 | | 1 | 1914 | 39. | | 8. Arnold Sorina |  VAN | 1:54.29 | | 7 | 3342 | 47. |
| Heat 4 | time | | L | bib | Rk. | | 1. Nick Symmonds | USA | 1:45.91 | | 4 | 3254 | 5. | | 2. Geoffrey Harris | CAN | 1:45.97 | PB | 3 | 1290 | 6. | | 3. Adam Kszczot | POL | 1:45.99 | | 8 | 2655 | 7. | | 4. Pierre-Ambroise Bosse | FRA | 1:46.03 | | 5 | 1745 | 8. | | 5. Yuriy Borzakovskiy | RUS | 1:46.29 | | 6 | 2803 | 13. | | 6. Andreas Bube |  DEN | 1:46.40 | | 1 | 1546 | 16. | | 7. Manuel Antonio |  ANG | 1:52.54 | | 2 | 1014 | 46. | | -. Brice Etes |  MON | DQ 163.3a | 7 | 2527 | |
| Heat 5 | time | | L | bib | Rk. | | 1. Hamada Mohamed | EGY | 1:48.05 | | 3 | 1588 | 32. | | 2. Sajad Moradi | IRI | 1:48.23 | | 7 | 2085 | 33. | | 3. Kevin Lopez | ESP | 1:48.27 | | 2 | 1622 | 34. | | 4. Masato Yokota |  JPN | 1:48.48 | | 5 | 2245 | 37. | | 5. Michael Rimmer | GBR | 1:49.05 | | 8 | 1830 | 41. | | 6. Moussa Camara |  MLI | 1:51.36 | | 1 | 2521 | 45. | | 7. Edgar Cortez |  NCA | 1:58.99 | | 4 | 2539 | 51. | | -. Taoufik Makhloufi |  ALG | DNF | | 6 | 1008 | |
| Heat 6 | time | | L | bib | Rk. | | 1. Mohammed Aman | ETH | 1:47.34 | | 1 | 1678 | 26. | | 2. Anthony Chemut | KEN | 1:47.42 | | 3 | 2293 | 27. | | 3. Antonio Manuel Reina | ESP | 1:47.44 | | 4 | 1634 | 28. | | 4. Rafith Rodriguez |  COL | 1:47.70 | | 8 | 1420 | 30. | | 5. Adnan Taess Akkar |  IRQ | 1:47.83 | SB | 2 | 2115 | 31. | | 6. Amine El Manaoui |  MAR | 1:48.48 | | 5 | 2454 | 37. | | 7. Prince Mumba |  ZAM | 1:49.07 | | 6 | 3364 | 42. | | 8. Erzhan Askarov |  KGZ | 1:59.56 | | 7 | 2346 | 52. |
| Heat 7 | time | | L | bib | Rk. | | 1. Duane Solomon | USA | 1:46.05 | | 4 | 3252 | 9. | | 2. Robert Lathouwers | NED | 1:46.06 | | 7 | 2545 | 10. | | 3. Andre Olivier | RSA | 1:46.42 | | 5 | 2789 | 17. | | 4. Jakub Holusa |  CZE | 1:46.87 | | 8 | 1516 | 21. | | 5. Julius Mutekanga |  UGA | 1:48.41 | | 3 | 3116 | 35. | | 6. Moise Joseph |  HAI | 1:48.46 | | 1 | 2027 | 36. | | 7. Benjamin Enzema |  GEQ | 1:57.47 | | 6 | 1888 | 49. | | -. Kleberson Davide | BRA | DNS | 2 | 1221 | |
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London 2012
Athletics London 2012