| Final: Start time: 21:35 +1 UTC, Temperature --° C, Humidity -- % _ |   
| Ranking | time |   | L | Q | bib |  | 1. Pierre-Ambroise Bosse |  FRA | 1:44.67 | SB - | 4. | 919 |  | 2. Adam Kszczot |  POL | 1:44.95 | SB - | 10. | 1244 |  | 3. Kipyegon Bett |  KEN | 1:45.21 |   | - | 1. | 1126 |  | 4. Kyle Langford |  GBR | 1:45.25 | PB - | 5. | 966 |  | 5. Nijel Amos |  BOT | 1:45.83 |   | - | 13. | 707 |  | 6. Mohammed Aman |  ETH | 1:46.06 |   | - | 2. | 892 |  | 7. Thiago Andrè |  BRA | 1:46.30 |   | - | 6. | 713 |  | 8. Brandon McBride |  CAN | 1:47.09 |   | - | 3. | 760 |   
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|   |  | Qualifiyng standard: 1:46.00 |  | Event Target Number: 48 Athletes. |   
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 |   |  | First 2 and best 2 advanced to Final.  |   
|   |  | Temperature 19° C, Humidity 56  |   
| Ranking | time |   | L | Rk | bib |  | 1. Adam Kszczot |  POL | 1:46.24 |   | 8 | 10. | 1244 |  | 2. Nijel Amos |  BOT | 1:46.29 |   | 6 | 13. | 707 |  | 3. Ferguson Cheruiyot Rotich |  KEN | 1:46.49 |   | 4 | 15. | 1145 |  | 4. Isaiah Harris |  USA | 1:46.66 |   | 5 | 17. | 1399 |  | 5. Guy Learmonth |  GBR | 1:46.75 |   | 2 | 19. | 967 |  | 6. Elliot Giles |  GBR | 1:46.95 |   | 7 | 20. | 957 |  | 7. Abdessalem Ayouni |  TUN | 1:47.39 |   | 3 | 22. | 1336 |  | 8. Kevin López |  ESP | 1:47.62 |   | 9 | 23. | 872 |   
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| 400m: Ferguson Cheruiyot Rotich (KEN) 52.98s |   
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|   |  | Temperature 19° C, Humidity 56  |   
| Ranking | time |   | L | Rk | bib |  | 1. Brandon McBride |  CAN | 1:45.53 |   | 6 | 3. | 760 |  | 2. Kyle Langford |  GBR | 1:45.81 |   | 2 | 5. | 966 |  | 3. Marcin Lewandowski |  POL | 1:45.93 |   | 9 | 7. | 1245 |  | 4. Emmanuel Kipkurui Korir |  KEN | 1:46.08 |   | 5 | 8. | 1138 |  | 5. Drew Windle |  USA | 1:46.33 |   | 7 | 14. | 1447 |  | 6. Ebrahim Alzofairi |  KUW | 1:46.48 |   | 3 | 18. | 1160 |  | 7. Antoine Gakeme |  BDI | 1:47.08 |   | 4 | 21. | 684 |  | -. Thijmen Kupers |  NED | DNS |   | 8 |   | 1202 |   
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| 400m: Brandon McBride (CAN) 50.85s |   
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|   |  | Temperature 19° C, Humidity 56  |   
| Ranking | time |   | L | Rk | bib |  | 1. Kipyegon Bett |  KEN | 1:45.02 |   | 6 | 1. | 1126 |  | 2. Mohammed Aman |  ETH | 1:45.40 |   | 3 | 2. | 892 |  | 3. Pierre-Ambroise Bosse |  FRA | 1:45.63 |   | 7 | 4. | 919 |  | 4. Thiago Andrè |  BRA | 1:45.83 |   | 5 | 6. | 713 |  | 5. Michal Rozmys |  POL | 1:46.10 |   | 2 | 9. | 1250 |  | 6. Andreas Kramer |  SWE | 1:46.25 |   | 8 | 11. | 1307 |  | 7. Donavan Brazier |  USA | 1:46.27 |   | 4 | 12. | 1379 |  | 8. Álvaro De Arriba |  ESP | 1:46.64 |   | 9 | 16. | 864 |   
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| 400m: Kipyegon Bett (KEN) 51.51s |   
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                                    |
 |   |  | Temperature 19° C, Humidity 56  |   
| Ranking | time |   | SO | Rk | bib |  | 1. Kipyegon Bett |  KEN | 1:45.76 |   | 2 | 4. | 1126 |  | 2. Andreas Kramer |  SWE | 1:45.98 |   | 9 | 12. | 1307 |  | 3. Drew Windle |  USA | 1:46.08 |   | 6 | 13. | 1447 |  | 4. Abdessalem Ayouni |  TUN | 1:46.19 |   | 3 | 15. | 1336 |  | 5. Andrés Arroyo |  PUR | 1:46.46 |   | 7 | 19. | 1261 |  | 6. Edose Ibadin |  NGR | 1:46.51 |   | 5 | 20. | 1460 |  | 7. Saud Alzaabi |  UAE | 1:53.34 |   | 8 | 43. | 1353 |  | 8. Pyae Sone Maung |  MYA | 2:13.38 |   | 1 | 44. | 1193 |  | -. Amine Belferar |  ALG | DNF |   | 4 |   | 603 |   
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| 400m: Andreas Kramer (SWE) 51.61s |   
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                                    |
 |   |  | Temperature 19° C, Humidity 56  |   
| Ranking | time |   | SO | Rk | bib |  | 1. Thijmen Kupers |  NED | 1:45.53 |   | 4 | 1. | 1202 |  | 2. Brandon McBride |  CAN | 1:45.69 |   | 6 | 3. | 760 |  | 3. Kevin López |  ESP | 1:45.763 |   | 3 | 5. | 872 |  | 4. Antoine Gakeme |  BDI | 1:45.97 |   | 7 | 11. | 684 |  | 5. Kyle Langford |  GBR | 1:46.38 |   | 2 | 17. | 966 |  | 6. Jesús Tonatiu López |  MEX | 1:46.71 |   | 8 | 22. | 1187 |  | 7. Leandro Paris |  ARG | 1:47.087 | PB | 5 | 25. | 627 |  | 8. Pol Moya |  AND | 1:49.06 |   | 9 | 37. | 619 |   
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| 400m: Brandon McBride (CAN) 51.80s |   
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                                    |
 |   |  | Temperature 18° C, Humidity 68  |   
| Ranking | time |   | SO | Rk | bib |  | 1. Ferguson Cheruiyot Rotich |  KEN | 1:45.770 |   | 9 | 6. | 1145 |  | 2. Isaiah Harris |  USA | 1:45.82 |   | 7 | 8. | 1399 |  | 3. Elliot Giles |  GBR | 1:45.86 |   | 5 | 9. | 957 |  | 4. Ebrahim Alzofairi |  KUW | 1:46.29 | PB | 8 | 16. | 1160 |  | 5. De Arriba Álvaro |  ESP | 1:46.42 |   | 2 | 18. | 864 |  | 6. Abdelati El Guesse |  MAR | 1:46.74 |   | 4 | 23. | 1173 |  | 7. Ryan Sánchez |  PUR | 1:50.74 |   | 3 | 41. | 1263 |  | -. Wesam Almassri |  PLE | DNS |   | 6 |   | 1230 |   
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| 400m: Ferguson Cheruiyot Rotich (KEN) 51.95s |   
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                                    |
 |   |  | Temperature 18° C, Humidity 68  |   
| Ranking | time |   | L | Rk | bib |  | 1. Emmanuel Kipkurui Korir |  KEN | 1:47.08 |   | 9 | 24. | 1138 |  | 2. Michal Rozmys |  POL | 1:47.088 |   | 4 | 26. | 1250 |  | 3. Thiago Andrè |  BRA | 1:47.22 |   | 8 | 28. | 713 |  | 4. Alex Amankwah |  GHA | 1:47.56 |   | 3 | 32. | 1015 |  | 5. Marc Reuther |  GER | 1:47.78 |   | 2 | 33. | 1006 |  | 6. Samir Dahmani |  FRA | 1:48.62 |   | 6 | 36. | 923 |  | 7. Peter Bol |  AUS | 1:49.65 |   | 7 | 38. | 637 |  | 8. Ahmed Bashir Farah |  ART | 1:50.04 | PB | 5 | 40. | 632 |   
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| 400m: Marc Reuther (GER) 52.90s |   
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                                    |
 |   |  | Temperature 18° C, Humidity 68  |   
| Ranking | time |   | SO | Rk | bib |  | 1. Nijel Amos |  BOT | 1:47.10 |   | 7 | 27. | 707 |  | 2. Pierre-Ambroise Bosse |  FRA | 1:47.25 |   | 9 | 29. | 919 |  | 3. Adam Kszczot |  POL | 1:47.36 |   | 2 | 30. | 1244 |  | 4. Mostafa Smaili |  MAR | 1:47.50 |   | 6 | 31. | 1179 |  | 5. Mark English |  IRL | 1:48.01 |   | 8 | 34. | 1054 |  | 6. Abu Salim Mayanja |  UGA | 1:48.11 |   | 3 | 35. | 1360 |  | 7. Francky Mbotto |  CAF | 1:51.76 |   | 4 | 42. | 747 |  | -. Hamada Mohamed |  EGY | DNF |   | 5 |   | 848 |   
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| 400m: Abu Salim Mayanja (UGA) 52.26s |   
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                                    |
 |   |  | Temperature 18° C, Humidity 68  |   
| Ranking | time |   | SO | Rk | bib |  | 1. Donavan Brazier |  USA | 1:45.65 |   | 6 | 2. | 1379 |  | 2. Mohammed Aman |  ETH | 1:45.81 |   | 2 | 7. | 892 |  | 3. Guy Learmonth |  GBR | 1:45.90 |   | 8 | 10. | 967 |  | 4. Marcin Lewandowski |  POL | 1:46.17 |   | 5 | 14. | 1245 |  | 5. Amel Tuka |  BIH | 1:46.54 |   | 4 | 21. | 701 |  | 6. Astrit Kryeziu |  KOS | 1:49.94 |   | 9 | 39. | 1156 |  | -. Daniel Andújar |  ESP | DQ 163.2 | 3 |   | 856 |  | -. Michael Loturomom Saruni |  KEN | DNS |   | 7 |   | 1459 |   
 Rule: 162.2 - Jostlng /Obstruction.
 
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| 400m: Donavan Brazier (USA) 51.90s |   
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 |   |  | Event Target Number: 48. 56 Athletes. 37 Countries. |   
| Athlete | 2017 | best | birth | start |  | -. Emmanuel Kipkurui Korir |  KEN | 1:43.10 | 1:43.10 | 15 Jun 95 | Ht - -. |  | 5. Nijel Amos |  BOT | 1:43.18 | 1:41.73 | 15 Mar 94 | Ht - -. |  | -. Donavan Brazier |  USA | 1:43.95 | 1:43.55 | 15 Apr 97 | Ht - -. |  | 3. Kipyegon Bett |  KEN | 1:44.04 | 1:43.76 | 1 Feb 98 | Ht - -. |  | -. Ferguson Cheruiyot Rotich |  KEN | 1:44.37 | 1:42.84 | 30 Nov 89 | Ht - -. |  | 8. Brandon McBride |  CAN | 1:44.41 | 1:43.95 | 15 Jun 94 | Ht - -. |  | -. Antoine Gakeme |  BDI | 1:44.44 | 1:44.09 | 24 Dec 91 | Ht - -. |  | -. Isaiah Harris |  USA | 1:44.53 | 1:44.53 | 18 Oct 96 | Ht - -. |  | -. Drew Windle |  USA | 1:44.63 | 1:44.63 | 22 Jul 92 | Ht - -. |  | -. Erik Sowinski |  USA | 1:44.66 | 1:44.58 | 21 Dec 89 | Ht - -. |  | 1. Pierre-Ambroise Bosse |  FRA | 1:44.72 | 1:42.53 | 11 May 92 | Ht - -. |  | -. Alex Amankwah |  GHA | 1:44.80 | 1:44.80 | 2 Mar 92 | Ht - -. |  | 7. Thiago AndrÈ |  BRA | 1:44.81 | 1:44.81 | 4 Aug 95 | Ht - -. |  | -. David Lekuta Rudisha |  KEN | 1:44.90 | 1:40.91 | 17 Dec 88 | Ht - -. |  | -. Hamada Mohamed |  EGY | 1:44.92 | 1:44.92 | 22 Oct 92 | Ht - -. |  | -. Amel Tuka Bih |  BIH | 1:42.51 | 1:44.94 | 9 Jan 91 | Ht - -. |  | -. Andrés Arroyo |  PUR | 1:44.98 | 1:44.98 | 7 Jun 95 | Ht - -. |  | -. Elliot Giles |  GBR | 1:44.99 | 1:44.99 | 26 May 94 | Ht - -. |  | -. Thijmen Kupers |  NED | 1:44.99 | 1:44.99 | 4 Oct 91 | Ht - -. |  | -. Ayanleh Souleiman |  DJI | 1:45.01 | 1:42.97 | 3 Dec 92 | Ht - -. |  | -. Kevin LÓpez |  ESP | 1:45.02 | 1:43.74 | 12 Jun 90 | Ht - -. |  | -. Álvaro De Arriba |  ESP | 1:45.06 | 1:45.06 | 2 Jun 94 | Ht - -. |  | -. Andreas Kramer |  SWE | 1:45.75 | 1:45.13 | 13 Apr 97 | Ht - -. |  | -. Daniel AndÚjar |  ESP | 1:45.17 | 1:45.17 | 14 May 94 | Ht - -. |  | 2. Adam Kszczot |  POL | 1:45.21 | 1:43.30 | 2 Sep 89 | Ht - -. |  | -. Peter Bol |  AUS | 1:45.21 | 1:45.21 | 22 Feb 94 | Ht - -. |  | -. Marc Reuther |  GER | 1:45.22 | 1:45.22 | 23 Jun 96 | Ht - -. |  | -. Mark English |  IRL | 1:45.42 | 1:44.84 | 18 Mar 93 | Ht - -. |  | -. Marcin Lewandowski |  POL | 1:45.44 | 1:43.72 | 13 Jun 87 | Ht - -. |  | -. Amine Belferar |  ALG | 1:45.44 | 1:45.01 | 16 Feb 91 | Ht - -. |  | 4. Kyle Langford |  GBR | 1:45.45 | 1:45.45 | 2 Feb 96 | Ht - -. |  | -. Abdelati El Guesse |  MAR | 1:45.46 | 1:45.46 | 27 Feb 93 | Ht - -. |  | -. Jesús Tonatiu LÓpez |  MEX | 1:45.51 | 1:45.51 | 2 Aug 97 | Ht - -. |  | -. Ryan SÁnchez |  PUR | 1:45.58 | 1:45.58 | 22 Jun 98 | Ht - -. |  | -. Abdessalem Ayouni |  TUN | 1:45.63 | 1:45.63 | 16 May 94 | Ht - -. |  | -. Jesús GÓmez |  ESP | 1:45.67 | 1:45.67 | 24 Apr 91 | Ht - -. |  | 6. Mohammed Aman |  ETH | 1:45.68 | 1:42.37 | 10 Jan 94 | Ht - -. |  | -. Michal Rozmys |  POL | 1:45.70 | 1:45.70 | 13 Mar 95 | Ht - -. |  | -. Samir Dahmani |  FRA | 1:45.72 | 1:44.07 | 3 Apr 91 | Ht - -. |  | -. Andrew Osagie |  GBR | 1:45.73 | 1:43.77 | 19 Feb 88 | Ht - -. |  | -. Abu Salim Mayanja |  UGA | 1:45.73 | 1:45.73 | 9 Oct 95 | Ht - -. |  | -. Mostafa Smaili |  MAR | 1:45.76 | 1:45.05 | 9 Jan 97 | Ht - -. |  | -. Guy Learmonth |  GBR | 1:45.77 | 1:45.77 | 20 Apr 92 | Ht - -. |  | -. Wesam Almassri |  PLE | 1:47.04 | 1:47.04 | 23 Nov 90 | Ht - -. |  | -. Pol Moya |  AND | 1:48.13 | 1:48.13 | 9 Dec 96 | Ht - -. |  | -. Leandro ParÍs |  ARG | 1:48.32 | 1:47.18 | 16 Feb 95 | Ht - -. |  | -. Ebrahim Alzofairi |  KUW | 1:49.47 | 1:49.47 | 8 May 89 | Ht - -. |  | -. Saud Alzaabi |  UAE | 1:49.51 | 1:49.51 | 7 Aug 88 | Ht - -. |  | -. Astrit Kryeziu |  KOS | 1:49.80 | 1:48.03 | 22 Oct 91 | Ht - -. |  | -. Francky Mbotto |  CAF | 1:50.39 | 1:50.39 | 2 Sep 97 | Ht - -. |  | -. Moussa Zaroumeye |  NIG | 1:55.33 | 1:55.33 | - --- 85 | Ht - -. |  | -. Mikhail Soloshenko |  KGZ | 1:58.32 | 1:58.32 | 18 Feb 00 | Ht - -. |  | -. Pyae Sone Maung |  MYA | 2:00.01 | 2:00.01 | 13 Feb 97 | Ht - -. |   
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