| Final | time | | | 1. Willem Slijkhuis |  NED | 3:47.2 | CR | | 2. Patrick El Mabrouk |  FRA | 3:47.8 | | | 3. William Nankeville |  GBR | 3:48.0 | NR | | 4. Ilmari Taipale |  FIN | 3:50.4 | | | 5. Len Eyre | GBR | 3:51.0 | | | 6. Václav Čevona |  CZE | 3:51.4 | | | 7. Ingvar Ericsson |  SWE | 3:52.4 | | | 8. Jean Vernier | FRA | 3:53.2 | | | 9. Andrija Otenhajmer |  YUG | 3:53.4 | | | 10.Daniel Janssens |  BEL | 3:56.8 | | | 11.Frans Herman | BEL | 4:05.2 | | | 12.Lennart Strand | SWE | DNF | |
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| History Men 1500m | | -- Competitors from -- Nations. | | Venue: Heysel Stadium. |
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Heats Thursday 24.08 17:40 | | First 4 progressed to Final. |
| Heat 1 | time | | | 1. Len Eyre | GBR | 3:53.0 | Q | | 2. Ilmari Taipale | FIN | 3:53.2 | Q | | 3. Frans Herman | BEL | 3:54.6 | Q | | 4. Lennart Strand | SWE | 3:58.2 | Q | | 5. Zdravko Ceraj | YUG | 4:01.8 | |
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| Heat 2 | time | | | 1. Jean Vernier | FRA | 3:54.6 | Q | | 2. Ingvar Ericsson | SWE | 3:54.7 | Q | | 3. Andrija Otenhajmer | YUG | 3:55.0 | Q | | 4. William Nankeville | GBR | 3:55.6 | Q | | 5. Hans Harting | NED | 3:56.8 | | | 6. Alois Imfeld |  SUI | 4:01.2 | | | 7. Angelo Tagliapietra |  ITA | 4:01.8 | |
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| Heat 3 | time | | | 1. Patrick El Mabrouk | FRA | 4:01.8 | Q | | 2. Willem Slijkhuis | NED | 4:02.6 | Q | | 3. Václav Čevona | CZE | 4:02.8 | Q | | 4. Daniel Janssens | BEL | 4:04.2 | Q | | 5. Bruno Schneider |  AUT | 4:04.8 | | | 6. Loukas Adamopoulos |  GRE | 4:06.6 | | | 7. Pétur Einarsson |  ISL | 4:08.8 | |
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