| | Final | time | | gap | L | pts | ___ | | 1. |  United States | 3:41.25 | | | 6 | 887 | | | Dan Veatch 21 57.71s, David Lundberg 1:03.45, Pablo Morales 21 52.31s, Matt Biondi 20 47.78s | | 2. |  West Germany | 3:42.26 | | +1.01s | 3 | 875 | | | Frank Hoffmeister 20 57.18s, Bert Gobel 23 1:02.24, Michael Gross 22 52.94s, Andre Schadt 49.90s | | 3. |  Soviet Union | 3:42.63 | | +1.38s | 2 | 871 | | | Igor Polianski 19 55.62s, Dmitry Volkov 20 1:02.79, Aleksey Markovsky 29 54.58s, Nikolay Yevseyev 20 49.64s | | 4. |  Canada | 3:43.38 | | +2.13s | 4 | 862 | | | Mark Tewksbury 18 56.72s, Victor Davis 22 1:02.13, Tom Ponting 21 53.79s, Alex Baumann 22 50.74s | | 5. |  Great Britain | 3:45.24 | | +3.99s | 5 | 841 | | | Neil Harper 21 58.48s, Adrian Moorhouse 22 1:01.80, Andy Jameson 21 53.81s, Roland Lee 22 51.15s | | 6. |  Switzerland | 3:48.45 | | +7.20s | 7 | 806 | | | Patrick Ferland 20 59.42s, Etienne Dagon 25 1:04.05, Dano Halsall 23 54.95s, Stefan Volery 24 50.03s | | 7. |  Netherlands | 3:49.02 | | +7.77s | 8 | 800 | | | Edsard Schlingemann 19 59.18s, Ron Dekker 20 1:04.35, Frank Drost 23 55.01s, Patrick Dybiona 22 50.48s | | 8. |  France | 3:50.20 | | +8.95s | 1 | 788 | | | Frederic Delcourt 22 58.45s, Thierry Pata 21 1:05.61, Ludovic De Pickere 17 55.90s, Stephan Caron 20 50.24s |
Heats - Saturday, 23rd August |
| | Heat 1 | time | | gap | L | Rk | ___ | | 1. | Canada | 3:45.32 | | | - | 1. | | | Mark Tewksbury 18 57.37s, Victor Davis 22 1:02.86, Tom Ponting 21 54.27s, Vlastimil Cerny 23 50.82s | | 6. | Switzerland | 3:48.93 | | +3.61s | - | 2. | | | Patrick Ferland 20 59.76s, Etienne Dagon 25 1:03.49, Dano Halsall 23 55.28s, Stefan Volery 24 50.40 | | 8. | Netherlands | 3:49.94 | | +4.62s | - | 3. | | | Edsard Schlingemann 19 59.27s, Ron Dekker 20 1:04.30, Frank Drost 23 55.54s, Patrick Dybiona 22 50.83 | | 12. |  Venezuela | 3:55.10 | | +9.78s | - | 4. | | | Giovanni Frigo 22 1:00.42, Jorge Henao 24 1:07.28, Alberto Umana 21 57.12s, Alberto Mestre 21 50.28s | | 13. |  Brazil | 3:55.25 | | +9.93s | - | 5. | | | Cristiano Azevedo 1:00.86, Cicero Tortelli 19 1:05.05, Raul Camargo Viana 57.00s, Cyro Delgado 25 52.34s | | 15. |  Portugal | 3:56.40 | | +11.08s | - | 6. | | | Pedro Soares 1:00.25, Alexancre Yokochi 21 1:05.51, Joao Santos 22 57.90s 22, Sergio Esteves 18 52.74s |
| | Heat 2 | time | | gap | L | Rk | ___ | | 3. | West Germany | 3:45.74 | | +0.42s | - | 1. | | | Frank Hoffmeister 20 57.22s, Bert Gobel 23 1:02.87, Rene Schaffgans 54.74s, Alexander Schowtka 22 50.91s | | 4. | United States | 3:46.91 | | +1.59s | - | 2. | | | Mark Rhodenbaugh 56.92s, Steven Bentley 1:04.50, Craig Oppel 19 54.71s, Tom Jager 21 50.78s | | 7. | France | 3:49.22 | | +3.90s | - | 3. | | | Frederic Delcourt 22 59.13s, Thierry Pata 21 1:04.47, De Pickere 17 55.98s, Stephan Caron 20 49.64s | | 10. |  Sweden | 3:52.78 | | +7.46s | - | 4. | | | Hans Fredin 20 59.56s, Henrik Tagesson 1:07.49, Thomas Lejdstrom 24 55.69s, Per Johansson 23 50.04s | | 11. |  Spain | 3:53.59 | | +8.27s | - | 5. | | | Ricardo Aldabe 21 58.73s, Ramon Camallonga 17 1:05.85 17, Harri Garmendia 20 55.86s, Luis Manuel Martin 53.15s | | 16. |  Mexico | 3:57.65 | | +12.33s | - | 6. | | | Ernesto Vila 17 1:00.64, Mario Vela 1:06.97, Carlos Romo 57.23s, Gonzalez 18 52.81s | | 18. |  Egypt | 4:10.52 | | +25.20s | - | 7. | | | Emad El-Shafei 30 1:02.88, Ayman Nadim 22 1:11.28, Mohamed Youssef 23 59.86s, Mostafa Amin 56.50s |
| | Heat 3 | time | | gap | L | Rk | ___ | | 2. | Great Britain | 3:45.67 | | +0.35s | - | 1. | | | Neil Harper 21 58.32s, Adrian Moorhouse 22 1:02.70, Andy Jameson 21 53.23s, Roland LEE 22 51.42s | | 5. | Soviet Union | 3:47.41 | | +2.09s | - | 2. | | | Zabolotnov 23 57.35s, Eduard Klimentyev 1:04.26, Sergey Garro 54.91s, Sergey Smiryagin 50.89s | | 9. |  Italy | 3:51.37 | | +6.05s | - | 3. | | | Roberto Cassio 18 1:00.70, Gianni Minervini 19 1:03.22, Fabrizio Rampazzo 23 56.27s, Lamberti 17 51.18s | | 14. |  Cuba | 3:55.50 | | +10.18s | - | 4. | | | Joaquin Rios 1:00.00, Pedro Manu Hernandez 1:05.99, Alberto Peralta 56.37s, Franki Onay 53.14s | | 17. |  Denmark | 3:58.23 | | +12.91s | - | 5. | | | Jan Larsen 18 1:01.55, Peter Rohde 21 1:07.24, Benny Nielsen 20 56.77s, Frantz Mortensen 22 52.67s | | 19. |  Chinese Taipei | 4:17.83 | | +32.51s | - | 6. | | | Ta-Lin Lee 1:06.29s, Hsin-Yen Tsai 15 1:10.82, Cheng-I Chen 1:01.61, Ming-Sun Wu 18 59.11s | | -. |  New Zealand | DNS | | | - | |
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