| Final | time | | | 1. Stanisław Grędziński |  POL | 46.0s | | | 2. Andrzej Badeński | POL | 46.2s | | | 3. Manfred Kinder |  FRG | 46.3s | | | 4. Wilfried Weiland |  GDR | 46.6s | | | 5. Rolf Krüsmann | FRG | 46.7s | | | 6. Josef Trousil |  TCH | 46.9s | | | 7. Tim Graham |  GBR | 46.9s | | | -. Siegfried König | FRG | DNF | |
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Semi-Finals - Wednesday 31.08 18:30 | | First 4 progress to Final. |
| Semi 1 | time | | | 1. Stanisław Grędziński | POL | 46.3s | Q | | 2. Manfred Kinder | FRG | 46.6s | Q | | 3. Josef Trousil | TCH | 46.6s | Q | | 4. Tim Graham | GBR | 46.7s | Q | | 5. Boris Savchuk |  URS | 46.9s | | | 6. Martin Winbolt-Lewis | GBR | 47.0s | | | 7. Sergio Bello |  ITA | 47.1s | | | 8. Bernard Martin |  FRA | 47.7s | |
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| Semi 2 | time | | | 1. Andrzej Badeński | POL | 46.6s | Q | | 2. Wilfried Weiland | GDR | 46.8s | Q | | 3. Rolf Krüsmann | FRG | 46.8s | Q | | 4. Siegfried König | FRG | 47.1s | Q | | 5. Jean-Pierre Boccardo | FRA | 47.5s | | | 6. Grigoriy Sverbetov | URS | 47.6s | | | 7. Heikki Pippola |  FIN | 48.0s | | | 8. John Adey | GBR | 48.0s | |
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Heats - Tuesday 30.08 19:00 | | First 3 and Best 1 (Josef Trousil-TCH) progress. |
| Heat 1 | time | | | 1. Andrzej Badeński | POL | 46.7s | Q | | 2. Jean-Pierre Boccardo | FRA | 47.1s | Q | | 3. Heikki Pippola | FIN | 47.3s | Q | | 4. Michael Zerbes | GDR | 47.5s | | | 5. Aleksandr Ivanov | URS | 48.0s | | | 6. Nikolaos Rengoukos |  GRE | 48.3s | | | 7. Mehmet Gesas |  TUR | 49.9s | |
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| Heat 2 | time | | | 1. Siegfried König | FRG | 46.7s | Q | | 2. Wilfried Weiland | GDR | 46.9s | Q | | 3. Grigoriy Sverbetov | URS | 47.3s | Q | | 4. Fred van Herpen |  NED | 47.8s | | | 5. Jacques Pennewaert |  BEL | 48.9s | | | 6. Vincenc Kacagjeli |  ALB | 49.3s | |
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| Heat 3 | time | | | 1. Stanisław Grędziński | POL | 46.6s | Q | | 2. Tim Graham | GBR | 47.0s | Q | | 3. Sergio Bello | ITA | 47.1s | Q | | 4. Josef Trousil | TCH | 47.2s | q | | 5. Günther Klann | GDR | 47.5s | | | 6. Zlatko Valchev |  BUL | 47.9s | |
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| Heat 4 | time | | | 1. Manfred Kinder | FRG | 47.0s | Q | | 2. John Adey | GBR | 47.4s | Q | | 3. Bernard Martin | FRA | 47.5s | Q | | 4. Edmund Borowski | POL | 47.6s | | | 5. Carl Fredrik Bunæs |  NOR | 47.8s | | | 6. Bo Althoff |  SWE | 48.4s | |
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| Heat 5 | time | | | 1. Boris Savchuk | URS | 46.9s | Q | | 2. Rolf Krüsmann | FRG | 47.1s | Q | | 3. Martin Winbolt-Lewis | GBR | 47.4s | Q | | 4. Michel Samper | FRA | 47.4s | | | 5. Furio Fusi | ITA | 48.2s | |
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