| Final 18:35 | time | | L | bib | | 1. Boris Berian |  USA | 1:45.83 | SB | 5 | 370 | | 2. Antoine Gakeme |  BDI | 1:46.65 | SB | 1 | 124 | | 3. Erik Sowinski | USA | 1:47.22 | | 3 | 394 | | 4. Mohammed Aman |  ETH | 1:47.97 | | 2 | 196 | | 5. Musaeb Abdulrahman Balla |  QAT | 1:48.31 | | 6 | 319 | | 6. Mostafa Smaili |  MAR | 1:52.32 | | 4 | 278 |
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| Qualification Standard: 1:46.50 | | Qualification Standard Outdoor: 1:44.00 |
| Split times | | 200m: Boris Berian (USA) 23.92s | | 400m: Boris Berian (USA) 49.73s | | 600m: Boris Berian (USA) 1:17.37 |
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| | | Friday 18.03 - First 1 + Best 3 progress to Final. |
| Heat 1 13:55 | time | | L | bib | Rk. | | 1. Mostafa Smaili | MAR | 1:52.16 | Q | 6 | 278 | 10. | | 2. Edward Kibet Kemboi |  KEN | 1:52.39 | | 3 | 265 | 12. | | 3. Álvaro De Arriba |  ESP | 1:52.60 | | 5 | 185 | 13. | | 4. Pol Moya |  AND | 1:54.19 | | 4 | 101 | 14. | | 5. Wais Ibrahim Khairandesh |  AFG | 1:57.36 | NIR | 2 | 100 | 15. |
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| Split times | | 200m: Mostafa Smaili (MAR) 27.35s | | 400m: Mostafa Smaili (MAR) 58.00s | | 600m: Mostafa Smaili (MAR) 1:26.86 |
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| Heat 2 14:02 | time | | L | bib | Rk. | | 1. Antoine Gakeme | BDI | 1:48.09 | Q SB | 2 | 124 | 3. | | 2. Boris Berian | USA | 1:48.55 | q | 5 | 370 | 5. | | 3. Jeremiah Kipkorir Mutai | KEN | 1:48.70 | | 6 | 268 | 6. | | 4. Andreas Kramer |  SWE | 1:49.46 | | 3 | 342 | 7. | | 5. Daniel Andújar | ESP | 1:49.49 | | 4 | 182 | 8. |
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| Split times | | 200m: Jeremiah Kipkorir Mutai (KEN) 26.18s | | 400m: Daniel Andújar (ESP) 54.63s | | 600m: Boris Berian (USA) 1:21.52 |
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| Heat 3 14:09 | time | | L | bib | Rk. | | 1. Musaeb Abdulrahman Balla | QAT | 1:47.61 | Q | 6 | 319 | 1. | | 2. Mohammed Aman | ETH | 1:48.02 | q | 3 | 196 | 2. | | 3. Erik Sowinski | USA | 1:48.11 | q | 5 | 394 | 4. | | 4. Theofanis Michaelas |  CYP | 1:51.36 | | 4 | 165 | 9. | | 5. Brice Etes |  MON | 1:52.23 | SB | 2 | 282 | 11. |
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| Split times | | 200m: Musaeb Abdulrahman Balla (QAT) 25.76s | | 400m: Musaeb Abdulrahman Balla (QAT) 53.22s | | 600m: Musaeb Abdulrahman Balla (QAT) 1:20.44 |
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| Athlete | 2016 | Best | bib | Heat | L | | 5. Musaeb Abdulrahman Balla | QAT | 1:45.93 | 1:45.48 | 319 | Heat 3 | 6 | | 1. Boris Berian | USA | 1:46.00 | 1:46.00 | 370 | Heat 2 | 5 | | 6. Mostafa Smaili | MAR | 1:46.50 | 1:46.50 | 278 | Heat 1 | 6 | | No Qualification Standard 1:46.50 in 2016. | | -. Álvaro De Arriba | ESP | 1:46.63 | 1:46.63 | 185 | Heat 1 | 5 | | 3. Erik Sowinski | USA | 1:47.11 | 1:46.84 | 394 | Heat 3 | 5 | | -. Jeremiah Kipkorir Mutai | KEN | 1:47.21 | 1:45.93 | 268 | Heat 2 | 6 | | 4. Mohammed Aman | ETH | 1:47.24 | 1:44.52 | 196 | Heat 3 | 3 | | -. Edward Kibet Kemboi | KEN | 1:47.62 | 1:46.05 | 265 | Heat 1 | 3 | | -. Andreas Kramer | SWE | 1:47.85 | 1:47.85 | 342 | Heat 2 | 3 | | -. Daniel Andújar | ESP | 1:47.99 | 1:47.99 | 182 | Heat 2 | 4 | | -. Pol Moya | AND | 1:49.84 | 1:49.84 | 101 | Heat 1 | 4 | | -. Theofanis Michaelas | CYP | 1:50.18 | 1:49.51 | 165 | Heat 3 | 4 | | -. Brice Etes | MON | 1:52.53 | 1:51.24 | 282 | Heat 3 | 2 | | 2. Antoine Gakeme | BDI | | 1:48.78 | 124 | Heat 2 | 2 | | -. Wais Ibrahim Khairandesh | AFG | | 1:55.91o | 100 | Heat 1 | 2 |
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