Men 4 x 400 m Relays
Heat 1
| Pos | Team | NOC | Mark | |
| 1 | United States | USA | 3:06.62 | Q |
| 2 | West Germany | FRG | 3:07.50 | Q |
| 3 | Italy | ITA | 3:07.90 | Q |
| 4 | Brazil | BRA | 3:08.25 | Q |
| 5 | Sweden | SWE | 3:08.33 | q |
| 6 | Canada | CAN | 3:08.37 | q |
| 7 | Jamaica | JAM | 3:09.06 | |
| 8 | Finland | FIN | 3:09.23 |
Heat 2
| Pos | Team | NOC | Mark | |
| 1 | Hungary | HUN | 3:09.95 | Q |
| 2 | USSR | URS | 3:10.16 | Q |
| 3 | Great Britain & N.I. | GBR | 3:10.19 | Q |
| 4 | Senegal | SEN | 3:10.90 | Q |
| 5 | Australia | AUS | 3:11.62 | |
| Ghana | GHA | DNS | ||
| Bahamas | BAH | DNS |
Heat 3
| Pos | Team | NOC | Mark | |
| 1 | France | FRA | 3:06.99 | Q |
| 2 | Czechoslovakia | TCH | 3:07.03 | Q |
| 3 | Poland | POL | 3:07.18 | Q |
| 4 | Japan | JPN | 3:07.23 | Q |
| 5 | Spain | ESP | 3:07.42 | q |
| 6 | Kenya | KEN | 3:07.48 | q |
| 7 | Ivory Coast | CIV | 3:09.23 | |
| Uganda | UGA | DQ |
| Pos | Team | NOC | Mark | |
| 1 | United States | USA | 3:02.13 | Q |
| 2 | West Germany | FRG | 3:04.96 | Q |
| 3 | Poland | POL | 3:05.51 | Q |
| 4 | Italy | ITA | 3:05.70 | Q |
| 5 | Canada | CAN | 3:06.42 | |
| 6 | Japan | JPN | 3:07.11 | |
| 7 | Senegal | SEN | 3:09.63 | |
| 8 | Hungary | HUN | 3:11.08 |
Heat 2
| Pos | Team | NOC | Mark | |
| 1 | USSR | URS | 3:03.75 | Q |
| 2 | Great Britain & N.I. | GBR | 3:04.03 | Q |
| 3 | Czechoslovakia | TCH | 3:04.32 | Q |
| 4 | Sweden | SWE | 3:04.32 | Q |
| 5 | Brazil | BRA | 3:04.46 | |
| 6 | France | FRA | 3:05.09 | |
| 7 | Kenya | KEN | 3:05.30 | |
| 8 | Spain | ESP | 3:09.68 |
| Pos | Team | NOC | Mark |
| 1 | USSR | URS | 3:00.79 |
| 2 | West Germany | FRG | 3:01.83 |
| 3 | Great Britain & N.I. | GBR | 3:03.53 |
| 4 | Czechoslovakia | TCH | 3:03.90 |
| 5 | Italy | ITA | 3:05.10 |
| 6 | United States | USA | 3:05.29 |
| 7 | Sweden | SWE | 3:08.57 |
| Poland | POL | DNF |
| Pos | Team | NOC | Mark | |
| 1 | United States | USA | 3:26.82 | Q |
| 2 | Canada | CAN | 3:27.21 | Q |
| 3 | Czechoslovakia | TCH | 3:27.60 | Q |
| 4 | West Germany | FRG | 3:29.70 | q |
| 5 | Romania | ROM | 3:30.96 | q |
Heat 2
| Pos | Team | NOC | Mark | |
| 1 | USSR | URS | 3:28.77 | Q |
| 2 | East Germany | GDR | 3:29.05 | Q |
| 3 | Bulgaria | BUL | 3:31.11 | Q |
| 4 | Jamaica | JAM | 3:34.17 | |
| 5 | Puerto Rico | PUR | 3:42.79 |
| Pos | Team | NOC | Mark |
| 1 | East Germany | GDR | 3:19.73 |
| 2 | Czechoslovakia | TCH | 3:20.32 |
| 3 | USSR | URS | 3:21.16 |
| 4 | Canada | CAN | 3:27.41 |
| 5 | United States | USA | 3:27.57 |
| 6 | West Germany | FRG | 3:29.43 |
| 7 | Bulgaria | BUL | 3:30.36 |
| 8 | Romania | ROM | 3:35.61 |
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