| Final | time |   |  | 1. John Parlett |  GBR | 1:50.5 | CR |  | 2. Marcel Hansenne |  FRA | 1:50.7 |   |  | 3. Roger Bannister |  GBR | 1:50.7 |   |  | 4. Ingvar Bengtsson |  SWE | 1:51.2 |   |  | 5. Audun Boysen |  NOR | 1:51.4 |   |  | 6. Michel Clare |  FRA | 1:51.6 |   |  | 7. Olle Lindén |  SWE | 1:52.3 |   |  | 8. Joseph Brys |  BEL | 1:54.0 |   |  | 9. Joseph Barthel |  LUX | 1:58.8 |   |   
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| History Men 800m.  |  | -- Competitors from -- Nations.  |  | Venue: Heysel Stadium. |   
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 Heats Wednesday 23.08 19:00 |  | First 3 progress to Final. |   
| Heat 1 | time |   |  | 1. Audun Boysen |  NOR | 1:51.2 | Q |  | 2. Ingvar Bengtsson |  SWE | 1:51.5 | Q |  | 3. Joseph Barthel |  LUX | 1:51.7 | Q |  | 4. Aim Václav |  CZE | 1:53.0 |   |  | 5. Gennadiy Modoy |  URS | 1:53.1 |   |  | 6. Magnús Jónsson |  ISL | 1:56.2 |   |  | 7. Telemachos Kanellidis |  GRE | 1:59.1 |   |   
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| Heat 2 | time |   |  | 1. Marcel Hansenne |  FRA | 1:50.8 | Q |  | 2. Olle Lindén |  SWE | 1:50.9 | Q |  | 3. John Parlett |  GBR | 1:51.9 | Q |  | 4. Alfred Langenus |  BEL | 1:55.3 |   |  | 5. Aldo Fracassi |  ITA | 1:55.3 |   |  | 6. Pétur Einarsson |  ISL | 1:56.7 |   |   
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| Heat 3 | time |   |  | 1. Roger Bannister |  GBR | 1:53.8 | Q |  | 2. Michel Clare |  FRA | 1:53.8 | Q |  | 3. Joseph Brys |  BEL | 1:54.1 | Q |  | 4. Matija Hanc |  YUG | 1:55.3 |   |  | 5. Loukas Adamopoulos |  GRE | 1:57.5 |   |   
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