| Final 19:10 | time | | L | React. | Rk. | bib | | 1. Abdalelah Haroun |  Qatar | 44.89s | | - | 0.213 | 3. | 706 | | 2. Muhammed Anas |  India | 45.69s | | - | 0.151 | 1. | 342 | | 3. Ali Khamis |  Bahrain | 45.70s | | - | 0.153 | 5. | 132 | | 4. Arokia Rajiv | India | 45.84s | | - | 0.187 | 6. | 321 | | 5. Julian Walsh |  Japan | 45.89s | | - | 0.120 | 4. | 484 | | 6. Mikhail Litvin |  Kazakhstan | 46.17s | | - | 0.171 | 7.q | 514 | | 7. Abbas Abbas | Bahrain | 46.41s | | - | 0.170 | 2. | 120 | | 8. Kalinga Kumarage |  Sri Lanka | 46.49s | | - | 0.159 | 8.q | 733 |
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| World Record: Wayde van Niekerk (RSA) 43.03s Rio de Janeiro, Brazil 14 August 2016 | | Asian Record: Yousef Masrahi (KSA) 43.93s Beijing, China 23 August 2015 | | Games Record: Yousef Masrahi (KSA) 44.46s Incheon, South Korea 28 September 2014 |
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| | | First and Best 2 advanced to Final. |
| Ranking | time | | L | Rk. | | 1. Abbas Abbas | Bahrain | 45.59s | Q | 3 | 2. | | 2. Arokia Rajiv | India | 46.08s | Q | 6 | 6. | | 3. Aruna Darshana | Sri Lanka | 46.53s | | 4 | 10. | | 4. Zubin Percy Muncherji |  Singapore | 47.88s | | 5 | 15. | | 5. Umar Wira |  Indonesia | 48.57s | | 8 | 16. | | 6. Andrey Sokolov | Kazakhstan | 48.60s | | 7 | 17. | | 7. Grigoriy Derepaskin |  Tajikistan | 48.84s | PB | 2 | 18. | | 8. Phitchaya Sunthonthuam |  Thailand | 48.97s | | 1 | =21. |
| Ranking | time | | L | Rk. | | 1. Muhammed Anas | India | 45.30s | Q | 3 | 1. | | 2. Julian Walsh | Japan | 46.01s | Q | 6 | 4. | | 3. Kalinga Kumarage | Sri Lanka | 46.21s | q | 4 | 8. | | 4. Mohamed Abbas | Qatar | 46.33s | | 5 | 9. | | 5. Mo Il-hwan |  South Korea | 46.73s | SB | 8 | 11. | | 6. Tran Dinh Son |  Vietnam | 46.96s | | 1 | 12. | | 7. Trenten Beram |  Philippines | 47.34s | | 7 | 13. | | -. Nokar Hussain |  Pakistan | DNS | | 2 | |
| Ranking | time | | L | Rk. | | 1. Abdalelah Haroun | Qatar | 45.83s | Q | - | 3. | | 2. Ali Khamis | Bahrain | 46.07s | Q | - | 5. | | 3. Mikhail Litvin | Kazakhstan | 46.12s | q | - | 7. | | 4. Yang Lung-hsiang |  Taipei | 47.37s | | - | 14. | | 5. Davron Atabaev | Tajikistan | 48.89s | | - | 19. | | 6. Yanakorn Munrot | Thailand | 48.96s | | - | 20. | | 7. Muhammad Nadeem | Pakistan | 48.97s | | - | 21. | | 8. Yang Lei |  China | 49.25s | | - | 23. |
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| Ranking | time | | L | Rk. | | 1. Muhammed Anas | India | 45.63s | Q | 3 | 1. | | 2. Mohamed Abbas | Qatar | 45.81s | Q | 6 | 2. | | 3. Kalinga Kumarage | Sri Lanka | 45.99s | Q, PB | 5 | 3. | | 4. Umar Wira | Indonesia | 48.00s | Q, PB | 4 | 15. | | 5. Grigoriy Derepaskin | Tajikistan | 49.00s | q, SB | 7 | 20. | | -. Ali Khadivar |  Iran | DNF | | 2 | |
| Ranking | time | | L | Rk. | | 1. Mikhail Litvin | Kazakhstan | 46.43s | Q | 6 | 7. | | 2. Yang Lei | China | 47.55s | Q | 5 | 14. | | 3. Muhammad Nadeem | Pakistan | 49.19s | Q | 7 | 22. | | 4. Phitchaya Sunthonthuam | Thailand | 49.71s | Q | 2 | 23. | | 5. Ifan Anugrah Setiawan | Indonesia | 50.34s | | 4 | 26. | | 6. Md Abu Taleb |  Bangladesh | 50.97s | | 3 | 27. |
| Ranking | time | | L | Rk. | | 1. Abbas Abbas | Bahrain | 46.07s | Q | 2 | 4. | | 2. Julian Walsh | Japan | 46.20s | Q | 5 | 5. | | 3. Zubin Percy Muncherji | Singapore | 47.25s | Q | 4 | 10. | | 4. Yang Lung-hsiang | Taipei | 47.49s | Q | 6 | 13. | | 5. Turtogtokh Erdenebat |  Mongolia | 50.23s | PB | 3 | 25. |
| Ranking | time | | L | Rk. | | 1. Arokia Rajiv | India | 46.82s | Q | 5 | 6. | | 2. Mo Il-hwan | South Korea | 47.34s | Q | 6 | 8. | | 3. Trenten Beram | Philippines | 48.06s | Q | 7 | 11. | | 4. Abdalelah Haroun | Qatar | 46.28s | Q | 3 | 16. | | 5. Davron Atabaev | Tajikistan | 48.37s | q, SB | 2 | 18. | | 6. Yanakorn Munrot | Thailand | 49.06s | q | 4 | 21. |
| Ranking | time | | L | Rk. | | 1. Aruna Darshana | Sri Lanka | 46.97s | Q | 4 | 9. | | 2. Ali Khamis | Bahrain | 47.41s | Q | 6 | 12. | | 3. Andrey Sokolov | Kazakhstan | 48.26s | Q | 7 | 17. | | 4. Tran Dinh Son | Vietnam | 48.97s | Q | 5 | 19. | | 5. Nokar Hussain | Pakistan | 49.75s | q | 3 | 24. | | 6. Akhyt Asyeikhan | Mongolia | 51.22s | | 2 | 28. |
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