| | | Final | Team | time |  | 1. Harry Reynolds |  USA | 45.26s |  | 2. Sunday Bada |  NGR | 45.75s |  | 3. Darren Clark |  AUS | 46.45s |  | 4. Rico Lieder |  GER | 46.53s |  | 5. Devon Morris |  JAM | 46.67s |  | 6. Jason Rouser |  USA | 46.70s | 
 |  | 
 | | Semi 1 | Team | time |  | 1. Harry Reynolds |  USA | 45.70s |  | 2. Rico Lieder |  GER | 46.16s |  | 3. Darren Clark |  AUS | 46.64s |  | 4. Devon Morris |  JAM | 46.83s |  | 5. Cephas Lemba |  ZAM | 47.16s |  | 6. Masayoshi Kan |  JPN | 47.25s | 
 | | Semi 2 | Team | time |  | 1. Sunday Bada |  NGR | 46.29s |  | 2. Jason Rouser |  USA | 46.80s |  | 3. Mark Jackson |  CAN | 47.10s |  | 4. Cayetano Cornet |  ESP | 47.12s |  | -. Benyounes Lahlou |  MAR | DQ |  | -. Ibrahim Ismail |  QAT | DQ | 
 | 
 | | Heat 1 | Team | time |  | 1. Ibrahim Ismail |  QAT | 46.43s |  | 2. Sunday Bada |  NGR | 46.57s |  | 3. Dmitriy Kossov |  RUS | 47.86s |  | 4. Frances Ogola |  UGA | 48.06s |  | 5. Bekele Ergogo |  ETH | 48.82s |  | -. Anthony Wallace |  JAM | DQ | 
 | | Heat 2 | Team | time |  | 1. Rico Lieder |  GER | 46.63s |  | 2. Benyounes Lahlou |  MAR | 46.81s |  | 3. Eronilde Nunez |  BRA | 47.50s |  | 4. Troy Douglas |  BER | 47.55s |  | 5. Shigekazu Omori |  JPN | 48.32s |  | 6. Raymundo Escalante |  MEX | 49.09s | 
 | 
 | | Heat 3 | Team | time |  | 1. Harry Reynolds |  USA | 46.37s |  | 2. Darren Clark |  AUS | 46.76s |  | 3. Mark Jackson |  CAN | 47.03s |  | 4. Masayoshi Kan |  JPN | 47.16s |  | 5. Marco Vaccari |  ITA | 47.84s | 
 | | Heat 4 | Team | time |  | 1. Jason Rouser |  USA | 47.35s |  | 2. Devon Morris |  JAM | 47.42s |  | 3. Alvin Daniel |  TRI | 47.56s |  | 4. Anton Ivanov |  BUL | 47.83s |  | -. Emin Machmudbekov |  AZE | DQ | 
 | 
 | | Heat 5 | Team | time |  | 1. Cephas Lemba |  ZAM | 47.47s |  | 2. Cayetano Cornet |  ESP | 47.55s |  | 3. John Lawson |  RSA | 48.43s |  | 4. Ian Morris |  TRI | 49.91s |  | -. Karsten Just |  GER | DQ | 
 |  | 
 |