| Incheon Asiad Main Stadium - Track. Start time: 19:30 |   
| Final | time |   | L | React. | Birth | bib |  | 1. Yousef Ahmed M Masrahi |  KSA | 44.46s | GR | 5 | 0.166 | 31 Dec 1987 | 312 |  | 2. Abbas Abubakar Abbas |  BRN | 45.62s |   | 7 | 0.237 | 17 May 1996 | 103 |  | 3. Arokiarajiv |  IND | 45.92s | PB | 8 | 0.234 | 22 May 1991 | 171 |  | 4. Yuzo Kanemaru |  JPN | 46.04s |   | 6 | 0.167 | 18 Sep 1987 | 232 |  | 5. Nobuya Kato |  JPN | 46.13s |   | 4 | 0.231 | 16 Apr 1995 | 231 |  | 6. Bonggo Park |  KOR | 46.19s |   | 9 | 0.166 | 08 May 1991 | 280 |  | 7. Kunhu Muhammed Puthanpurakkal |  IND | 46.53s |   | 2 | 0.195 | 05 Mar 1987 | 170 |  | 8. Hyeokje Seong |  KOR | 46.74s |   | 3 | 0.221 | 09 Oct 1990 | 281 |   
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|  Records |  | WR | 43.18s | Michael Johnson (USA) | Seville (ESP) | World Championships | 26 Aug 1999 |  | AS | 44.43s | Yousef Ahmed M Masrhai (KSA) | Lausanne (SUI) | Diamond League | 03 Jul 2014 |  | =GR | 44.93s | Fawzi Al Shammari (KUW) | Busan (KOR) | Asian Games | 09 Oct 2002 |  | =GR | 44.93s | Ibrahim Ismail (QAT) | Hiroshima (JPN) | Asian Games | 11 Ocy 1994 |  | =GR | 44.93s | Fawzi Al Shammari (KUW) | Busan (KOR) | Asian Games | 09 Oct 2002 |   
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|
 |   |  | First 3 and Best 2 progress to the Final.  |   Semi 1 21:40 |   
| Ranking | time |   | L | React. | Birth | bib |  | 1. Abbas Abubakar Abbas |  BRN | 45.17s | PB | 7 | 0.222 | 17 May 1996 | 103 |  | 2. Yuzo Kanemaru |  JPN | 45.72s |   | 4 | 0.159 | 18 Sep 1987 | 232 |  | 3. Bonggo Park |  KOR | 46.06s |   | 5 | 0.192 | 08 May 1991 | 280 |  | 4. Kunhu Muhammed Puthanpurakkal |  IND | 46.08s | PB | 8 | 0.198 | 05 Mar 1987 | 170 |  | 5. Chenbin Zhu |  CHN | 46.58s |   | 9 | 0.162 | 17 Mar 1990 | 125 |  | 6. Ismaeel Mohammed H Alsubiani |  KSA | 47.06s |   | 6 | 0.162 | 17 May 1987 | 311 |  | 7. Saud Abdelkarim Ali Mohamed |  UAE | 47.27s |   | 3 | 0.209 | 18 Nov 1987 | 496 |  | 8. Archand Christian Bagsit |  PHI | 47.56s |   | 2 | 0.180 | 23 Dec 1990 | 398 |   
| Ranking | time |   | L | React. | Birth | bib |  | 1. Yousef Ahmed M Masrahi |  KSA | 45.86s |   | 4 | 0.153 | 31 Dec 1987 | 312 |  | 2. Nobuya Kato |  JPN | 45.88s | =PB | 6 | 0.171 | 16 Apr 1995 | 231 |  | 3. Arokiarajiv |  IND | 46.22s |   | 7 | 0.231 | 22 May 1991 | 171 |  | 4. Hyeokje Seong |  KOR | 46.40s |   | 5 | 0.194 | 09 Oct 1990 | 281 |  | 5. Huadong Zhang |  CHN | 46.99s |   | 9 | 0.204 | 01 Feb 1993 | 124 |  | 6. Edgardo Jr Alejan |  PHI | 47.07s | SB | 3 | 0.164 | 22 Nov 1986 | 397 |  | 7. Maytham Hussein M. Al Juaifari |  IRQ | 47.23s |   | 8 | 0.186 | 28 May 1994 | 224 |  | 8. Sergey Zaikov |  KAZ | 47.33s |   | 2 | 0.187 | 23 Sep 1987 | 259 |   
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|
 |   |  | First 3 and Best 4 progress to the Semi-Finals. 4 Heats, 31 Athletes. |   Heat 1 18:00 |   
| Ranking | time |   | L | React. | Birth | bib |  | 1. Yuzo Kanemaru |  JPN | 46.68s |   | 2 | 0.155 | 18 Sep 1987 | 232 |  | 2. Ismaeel Mohammed H Alsubiani |  KSA | 46.83s |   | 6 | 0.177 | 17 May 1987 | 311 |  | 3. Maytham Hussein M. Al Juaifari |  IRQ | 47.10s |   | 5 | 0.193 | 28 May 1994 | 224 |  | 4. Sergey Zaikov |  KAZ | 47.28s |   | 9 | 0.196 | 23 Sep 1987 | 259 |  | 5. Mohamed Nasir E Abbas |  QAT | 47.64s |   | 8 | 0.202 | 01 Jan 1996 | 411 |  | 6. Vitsanu Phosri |  THA | 47.67s |   | 4 | 0.177 | 25 May 1998 | 455 |  | 7. King Hung Leung |  HKG | 48.12s | PB | 3 | 0.174 | 07 Sep 1995 | 163 |  | 8. Samuel Marcal dos Santos |  TLS | 53.78s |   | 7 | 0.238 | 06 Nov 1987 | 476 |   
| Ranking | time |   | L | React. | Birth | bib |  | 1. Abbas Abubakar Abbas |  BRN | 45.61s | PB | 9 | 0.235 | 17 May 1996 | 103 |  | 2. Bonggo Park |  KOR | 46.15s |   | 5 | 0.185 | 08 May 1991 | 280 |  | 3. Chenbin Zhu |  CHN | 46.50s | PB | 3 | 0.160 | 17 Mar 1990 | 125 |  | 4. Archand Christian Bagsit |  PHI | 46.88s | PB | 8 | 0.203 | 23 Dec 1990 | 398 |  | 5. Saud Abdelkarim Ali Mohamed |  UAE | 47.20s | SB | 6 | 0.202 | 18 Nov 1987 | 496 |  | 6. Alexandr Pronzhenko |  TJK | 47.97s |   | 2 | 0.198 | 25 Nov 1992 | 471 |  | 7. Akhyt Asyeikhan |  MGL | 51.15s |   | 7 | 0.177 | 28 Feb 1986 | 372 |  | -. Tilak Ram Tharu |  NEP | DNS |   | 4 |   | 10 Apr 1993 | 381 |   
| Ranking | time |   | L | React. | Birth | bib |  | 1. Yousef Ahmed M Masrahi |  KSA | 46.30s |   | 7 | 0.145 | 31 Dec 1987 | 312 |  | 2. Hyeokje Seong |  KOR | 46.41s |   | 4 | 0.224 | 09 Oct 1990 | 281 |  | 3. Kunhu Muhammed Puthanpurakkal |  IND | 46.55s |   | 3 | 0.192 | 05 Mar 1987 | 170 |  | 4. Obaid Hindi Mohamed |  OMA | 47.96s |   | 6 | 0.237 | 24 Feb 1994 | 389 |  | 5. Srikharin Wannasa |  THA | 48.23s |   | 5 | 0.292 | 24 Mar 1989 | 454 |  | 6. Tsz Fung Ho |  HKG | 49.44s |   | 8 | 0.205 | 20 Jan 1995 | 164 |  | 7. Hussain Inaas |  MDV | 49.83s | SB | 2 | 0.195 | 18 Sep 1985 | 365 |   
| Ranking | time |   | L | React. | Birth | bib |  | 1. Arokiarajiv |  IND | 46.41s |   | 2 | 0.175 | 22 May 1991 | 171 |  | 2. Nobuya Kato |  JPN | 46.72s |   | 7 | 0.203 | 16 Apr 1995 | 231 |  | 3. Huadong Zhang |  CHN | 47.16s |   | 4 | 0.198 | 01 Feb 1993 | 124 |  | 4. Edgardo Jr Alejan |  PHI | 47.29s | SB | 3 | 0.167 | 22 Nov 1986 | 397 |  | 5. Dmitriy Korobeinikov |  KAZ | 48.32s |   | 6 | 0.185 | 25 Dec 1990 | 260 |  | 6. Ahmed Mohammed Sulaiman Marjibi |  OMA | 48.88s |   | 5 | 0.207 | 09 Sep 1990 | 388 |  | 7. Davron Atabaev |  TJK | 49.10s |   | 8 | 0.234 | 06 Jul 1993 | 470 |  | 8. Hussain Riza |  MDV | 51.69s | PB | 9 | 0.201 | 01 Apr 1997 | 366 |   
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