| Final 19.45h | Team | Time | L | | 1. Michael Johnson | USA | 43.65s | 3 | | 2. Harry Reynolds | USA | 44.13s | 7 | | 3. Samson Kitur | KEN | 44.54s | 4 | | 4. Quincy Watts | USA | 45.05s | 5 | | 5. Sunday Bada | NGR | 45.11s | 6 | | 6. Gregory Haughton | JAM | 45.63s | 2 | | 7. Simon Kemboi | KEN | 45.65s | 1 | | 8. Kennedy Ochieng | KEN | 45.68s | 8 |
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| Heat 1 19.20h | Team | Time | L | | 1. Quincy Watts | USA | 44.63s | 5 | | 2. Harry Reynolds | USA | 44.82s | 4 | | 3. Simon Kemboi | KEN | 44.94s | 3 | | 4. Kennedy Ochieng | KEN | 45.01s | 6 | | 5. Evon Clarke | JAM | 45.19s | 2 | | 6. Norberto Tellez | CUB | 46.17s | 1 | | 7. Du'aine Ladejo | GBR | 46.33s | 8 | | -. Ian Morris | TRI | DNS | 7 |
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| Heat 1 19.27h | Team | Time | L | | 1. Samson Kitur | KEN | 44.34s | 6 | | 2. Michael Johnson | USA | 44.39s | 4 | | 3. Sunday Bada | NGR | 44.63s | 3 | | 4. Gregory Haughton | JAM | 44.78s | 7 | | 5. Ibrahim Ismail | QAT | 44.85s | 5 | | 6. Solomon Amegatcher | GHA | 45.58s | 2 | | 7. Neil De Silva | TRI | 45.66s | 8 | | 8. Rico Lieder | GER | 45.75s | 1 |
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| Heat 1 19.50h | Team | Time | L | | 1. Quincy Watts | USA | 45.07s | 6 | | 2. Simon Kemboi | KEN | 45.22s | 4 | | 3. Neil De Silva | TRI | 45.50s | 5 | | 4. Rico Lieder | GER | 45.66s | 2 | | 5. Jean-Louis Rapnouil | FRA | 45.69s | 3 | | 6. Sadek Boumendil | ALG | 45.91s | 1 | | 7. Cayetano Cornet | ESP | 46.46s | 8 | | -. Francis Ogola | UGA | DQ | 7 |
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| Heat 2 19.55h | Team | Time | L | | 1. Samson Kitur | KEN | 45.02s | 4 | | 2. Sunday Bada | NGR | 45.21s | 6 | | 3. Gregory Haughton | JAM | 45.48s | 2 | | 4. Solomon Amegatcher | GHA | 45.59s | 5 | | 5. Dmitriy Golovastov | RUS | 46.00s | 3 | | 6. Ade Mafe | GBR | 46.03s | 1 | | 7. Jean-Claude Yekpe | BEN | 47.09s | 7 | | 8. Shigekazu Omori | JPN | 47.42s | 8 |
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| Heat 3 20.00h | Team | Time | L | | 1. Michael Johnson | USA | 44.72s | 3 | | 2. Ibrahim Ismail | QAT | 44.95s | 6 | | 3. Evon Clarke | JAM | 45.32s | 4 | | 4. Norberto Tellez | CUB | 45.51s | 5 | | 5. Troy Douglas | BER | 45.57s | 1 | | 6. Patrick Delice | TRI | 45.70s | 8 | | 7. Anton Ivanov | BUL | 45.93s | 7 | | 8. Andrea Nuti | ITA | 46.77s | 2 |
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| Heat 4 20.05h | Team | Time | L | | 1. Harry Reynolds | USA | 44.71s | 6 | | 2. Kennedy Ochieng | KEN | 44.90s | 5 | | 3. Ian Morris | TRI | 45.90s | 3 | | 4. Du'aine Ladejo | GBR | 46.51s | 8 | | 5. Roger Jordan | BAR | 46.89s | 7 | | 6. Benyounes Lahlou | MAR | 47.83s | 2 | | -. Ibrahim Hassan | GHA | DNS | 1 | | -. Roberto Hernandez | CUB | DNS | 4 |
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| Heat 1 13.15h | Team | Time | L | | 1. Michael Johnson | USA | 45.60s | 2 | | 2. Norberto Tellez | CUB | 45.79s | 5 | | 3. Ian Morris | TRI | 45.80s | 3 | | 4. Dmitriy Golovastov | RUS | 45.97s | 4 | | 5. Du'aine Ladejo | GBR | 46.17s | 8 | | 6. Gholamreza Sistani | IRN | 48.27s | 7 | | 7. Livingstone Roach | STK | 48.72s | 6 |
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| Heat 2 13.22h | Team | Time | L | | 1. Jean-Louis Rapnouil | FRA | 45.63s | 8 | | 2. Kennedy Ochieng | KEN | 45.68s | 5 | | 3. Roberto Hernandez | CUB | 46.01s | 2 | | 4. Andrea Nuti | ITA | 46.59s | 4 | | 5. Keteng Baloseng | BOT | 47.93s | 7 | | -. Slobodan Brankovic | IWP | DNS | 3 | | -. Ilir Xhani | ALB | DNS | 6 |
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| Heat 3 13.29h | Team | Time | L | | 1. Sunday Bada | NGR | 45.98s | 3 | | 2. Gregory Haughton | JAM | 46.10s | 5 | | 3. Patrick Delice | TRI | 46.16s | 2 | | 4. Sadek Boumendil | ALG | 46.37s | 7 | | 5. Shigekazu Omori | JPN | 47.17s | 4 | | 6. Roger Jordan | BAR | 47.75s | 6 | | 7. Francisco Flores | HON | 50.86 | 8 |
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| Heat 4 13.36h | Team | Time | L | | 1. Simon Kemboi | KEN | 45.91s | 8 | | 2. Quincy Watts | USA | 45.94s | 2 | | 3. Ibrahim Hassan | GHA | 46.61s | 4 | | 4. Benyounes Lahlou | MAR | 46.64s | 3 | | 5. Jean-Claude Yekpe | BEN | 46.92s | 6 | | 6. Raymundo Escalante | MEX | 48.03s | 5 | | 7. Stephen Lugor | SUD | 48.72s | 7 |
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| Heat 5 13.43h | Team | Time | L | | 1. Harry Reynolds | USA | 45.34s | 4 | | 2. Ibrahim Ismail | QAT | 45.48s | 2 | | 3. Solomon Amegatcher | GHA | 45.68s | 6 | | 4. Ade Mafe | GBR | 46.25s | 7 | | 5. Francis Ogola | UGA | 46.53s | 5 | | 6. Anton Ivanov | BUL | 46.84s | 8 | | -. Baobo Neuendorf | PNG | DNF | 3 |
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| Heat 6 13.50h | Team | Time | L | | 1. Samson Kitur | KEN | 45.71s | 6 | | 2. Neil De Silva | TRI | 45.74s | 4 | | 3. Evon Clarke | JAM | 45.92s | 8 | | 4. Rico Lieder | GER | 46.06s | 3 | | 5. Troy Douglas | BER | 46.17s | 7 | | 6. Cayetano Cornet | ESP | 46.57s | 2 | | 7. Kossi Akoto | TOG | 47.91s | 5 |
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