| Final | | time | | gap | L | Y | | 1. Artur Wojdat |  Poland | 3:47.78 | CR | | 4 | 68 | | 2. Stefan Pfeiffer |  West Germany | 3:48.68 | | +0.90s | 5 | 65 | | 3. Mariusz Podkościelny | Poland | 3:49.29 | | +1.51s | 4 | | | 4. Anders Holmertz |  Sweden | 3:49.58 | | +1.80s | 8 | 68 | | 5. Uwe Daßler |  East Germany | 3:49.78 | | +2.00s | 7 | 67 | | 6. Jöerg Hoffmann | East Germany | 3:50.52 | | +2.74s | 6 | 70 | | 7. Zoltán Szilágyi |  Hungary | 3:52.68 | | +4.90s | 1 | 67 | | 8. Jure Bučar |  Yugoslavia | 3:55.36 | | +7.68s | 3 | 66 |
| Final B | | time | | gap | L | Y | | 9. Evgeniy Logvinov |  Soviet Union | 3:54.79 | | | - | 68 | | 10.Massimo Trevisan |  Italy | 3:55.57 | | +-.--s | - | 68 | | 11.Henrik Jangwall | Sweden | 3:55.72 | | +-.--s | - | 66 | | 12.Alexandr Gaidukevich | Soviet Union | 3:55.73 | | +-.--s | - | 68 | | 13.Daniel Serra |  Spain | 3:55.95 | | +-.--s | - | 68 | | 14.Campbell McNeil |  Great Britain | 3:56.29 | | +-.--s | - | 69 | | 15.Norbert Agh | Hungary | 3:59.29 | | +-.--s | - | 70 | | -. Thomas Mueller | West Germany | DSQ | | +-.--s | - | 69 |
| Swimm-Off | | time | | gap | L | Y | | 8. Anders Holmertz | Sweden | 3:53.04 | | | - | 68 | | 9. Giorgio Lamberti | Italy | 3:54.97 | | +1.93s | - | |
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