Heat 4 | | time | gap | L | Y | Rk | 1. Aleksandr Sidorenko | Soviet Union | 4:28.02 | +2.45s | - | 20 | 4. | 2. Csaba Sos | Hungary | 4:29.69 | +4.12s | - | 23 | 10. | 3. Thomas Lejdstrom | Sweden | 4:33.05 | +7.48s | - | 18 | 13. | 4. Stephen Poulter | Great Britain | 4:35.21 | +9.64s | - | 19 | 17. | -. Jorg Walter | East Germany | DSQ | | - | -- | | -. Jean-Marc Carezic | Venezuela | DNS | | - | -- | | -. Max Metzker | Australia | DNS | | - | -- | |
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Heat 3 | | time | gap | L | Y | Rk | 1. Andras Hargitay | Hungary | 4:27.00 | +1.43s | - | 24 | 3. | 2. Serhiy Fesenko | Soviet Union | 4:28.18 | +2.61s | - | 21 | 5. | 3. Daniel Machek | Czechoslovakia | 4:28.66 | +3.09s | - | 20 | 6. | 4. Dariusz Wolny | Poland | 4:31.28 | +5.71s | - | 20 | 11. | 5. Vladimir Shemetov | Soviet Union | 4:34.01 | +8.44s | - | 16 | 15. | 6. Franky De Groote | Belgium | 4:36.99 | +11.42s | - | 21 | 18. | 7. Guillermo Zavala | Mexico | 4:37.58 | +12.01s | - | 22 | 19. |
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