| Final 22.05h | Team | Time | L | | 1. Felix Sanchez |  DOM | 47.25s | 5 | | 2. Joey Woody |  USA | 48.18s | 6 | | 3. Periklis Iakovakis |  GRE | 48.24s | 4 | | 4. Danny McFarlane |  JAM | 48.30s | 7 | | 5. Kemel Thompson | JAM | 48.51s | 3 | | 6. Christopher Rawlinson |  GBR | 48.90s | 2 | | 7. Mubarak Faraj Al-Nubi |  QAT | 52.64s | 1 | | 8. Llewellyn Herbert |  RSA | 1:12.10 | 8 |
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| Heat 1 20.30h | time | L | | 1. Periklis Iakovakis | GRE | 48.17s | 4 | | 2. Joey Woody | USA | 48.24s | 3 | | 3. Danny McFarlane | JAM | 48.35s | 6 | | 4. MubarakFaraj Al-Nubi | QAT | 48.53s | 5 | | 5. Stephane Diagana |  FRA | 48.64s | 2 | | 6. Boris Gorban |  RUS | 49.42s | 7 | | 7. Mikael Jakobsson |  SWE | 50.06s | 8 | | -. Anthony Borsumato | GBR | DNF | 1 |
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| Heat 2 20.37h | time | L | | 1. Felix Sanchez | DOM | 48.16s | 6 | | 2. Christopher Rawlinson | GBR | 48.56s | 3 | | 3. Dean Griffiths | JAM | 48.64s | 4 | | 4. Yevgeniy Meleshenko |  KAZ | 48.84s | 7 | | 5. Alwyn Myburgh | RSA | 48.98s | 5 | | 6. Stepan Tesarik |  CZE | 49.23s | 2 | | 7. Dai Tamesue |  JPN | 49.37s | 8 | | 8. Naman Keita | FRA | 49.57s | 1 |
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| Heat 3 20.44h | time | L | | 1. Kemel Thompson | JAM | 48.33s | 5 | | 2. Llewellyn Herbert | RSA | 48.60s | 4 | | 3. Jiri Muzik | CZE | 48.82s | 6 | | 4. Eric Thomas | USA | 49.00s | 3 | | 5. Hadi Soua'an Al-Somaily |  KSA | 49.25s | 2 | | 6. Ockert Cilliers | RSA | 49.32s | 7 | | 7. EduardoIvan Rodriguez |  ESP | 50.06s | 1 | | 8. Sebastien Maillard | FRA | 50.70s | 8 |
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| Heat 1 18.15h | time | L | | 1. Periklis Iakovakis | GRE | 48.76s | 4 | | 2. Eric Thomas | USA | 48.87s | 3 | | 3. Stephane Diagana | FRA | 49.00s | 7 | | 4. Dai Tamesue | JPN | 49.45s | 2 | | 5. Ari-Pekka Lattu |  FIN | 50.19s | 6 | | 6. Adam Kunkel |  CAN | 50.68s | 8 | | 7. Michael Aguilar |  BIZ | 51.33s | 5 |
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| Heat 2 18.22h | time | L | | 1. Joey Woody | USA | 48.53s | 3 | | 2. Christopher Rawlinson | GBR | 48.73s | 2 | | 3. Mubarak Faraj Al-Nubi | QAT | 48.90s | 4 | | 4. Boris Gorban | RUS | 49.07s | 6 | | 5. Naman Keita | FRA | 49.08s | 5 | | 6. Eduardo Ivan Rodriguez | ESP | 49.37s | 7 | | 7. Edivaldo Monteiro |  POR | 50.31s | 1 | | 8. Tien-Wen Chen |  TPE | 51.42s | 8 |
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| Heat 3 18.29h | time | L | | 1. Kemel Thompson | JAM | 48.63s | 6 | | 2. Jiri Muzik | CZE | 48.88s | 4 | | 3. Alwyn Myburgh | RSA | 48.92s | 3 | | 4. Hadi Soua'an Al-Somaily | KSA | 48.97s | 2 | | 5. Anthony Borsumato | GBR | 49.16s | 8 | | 6. Mikael Jakobsson | SWE | 49.40s | 5 | | 7. Yacnier Luis |  CUB | 49.73s | 7 |
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| Heat 4 18.36h | time | L | | 1. Felix Sanchez | DOM | 48.43s | 4 | | 2. Dean Griffiths | JAM | 48.75s | 6 | | 3. Ockert Cilliers | RSA | 49.17s | 3 | | 4. Sebastien Maillard | FRA | 49.25s | 7 | | 5. Cedric El-Idrissi |  SUI | 50.04s | 2 | | 6. Ken Yoshizawa | JPN | 50.34s | 8 | | 7. Bayano Kamani |  PAN | 51.18s | 5 |
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| Heat 5 18.43h | time | L | | 1. Llewellyn Herbert | RSA | 48.55s | 6 | | 2. Danny McFarlane | JAM | 48.86s | 3 | | 3. Yevgeniy Meleshenko | KAZ | 48.95s | 4 | | 4. Stepan Tesarik | CZE | 49.09s | 2 | | 5. Victor Okorie |  NGR | 49.66s | 5 | | -. Bershawn Jackson | USA | DQ | 8 | | -. Ibrahima Maiga |  MLI | DQ | 7 |
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