Final | | time | | 1. Niels Holst-Sørensen | Denmark | 47.9s | | 2. Jacques Lunis | France | 48.3s | | 3. Derek Pugh | Great Britain | 48.9s | | 4. Sven-Erik Nolinge | Sweden | 48.9s | | 5. William Roberts | Great Britain | 49.5s | | -. Herman Kunnen | Belgium | DNS | |
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History Men 400m. Venue: Bislett Stadion. | World Record: Klemmer 46.0s | European Record: Harbig, Germany 46.0s | Season Best: Wint 48.0s |
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Heats - Friday 23th August | First 2 from each Heat advanced to Final. |
Heat 1 | time | | 1. Jacques Lunis | France | 48.6 | Q | 2. Derek Pugh | Great Britain | 48.9 | Q | 3. Oskar Hardmeier | Switzerland | 49.5 | | 4. Anton Blok | Netherlands | 49.6 | | 5. Gunnar Bergsten | Denmark | 50.3 | | 6. Kjartan Jóhannsson | Iceland | 50.7 | NR |
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Heat 2 | time | | 1. Niels Holst-Sørensen | Denmark | 48.2 | Q | 2. William Roberts | Great Britain | 48.5 | Q | 3. Stig Lindgård | Sweden | 48.7 | | 4. Sergey Komarov | Soviet Union | 48.8 | | 5. Adam Piaskowy | Poland | 52.6 | |
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Heat 3 | time | 1. Herman Kunnen | Belgium | 48.9 | Q | 2. Sven-Erik Nolinge | Sweden | 49.0 | Q | 3. Luigi Paterlini | Italy | 49.1 | | 4. Leopold Láznička | Czechia | 50.4 | |
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