| Final | | time | | | 1. Enrique Figuerola |  Cuba | 10.38s | | | 2. Berwyn Jones |  Great Britain | 10.59s | | | 3. László Mihályfi |  Hungary | 10.65s | | | 4. Edvins Ozolins |  Soviet Union | 10.68s | | | -. Mikhail Bachvarov |  Bulgaria | DNS | | | -. Igor Ter-Ovanesyan | Soviet Union | DNS | |
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| 28 athletes | | Venue: Vasil Levski stadium. |
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| Heat 1 | | time | | | 1. Enrique Figuerola | Cuba | 10.4s | Q | | 2. Jalal Gosal |  Indonesia | 10.7s | Q | | 3. Gustav Ntiforo |  Ghana | 10.7s | Q | | 5. Zdzisław Szczerbański |  Poland | 10.9s | |
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| Heat 2 | | time | | | 1. Mikhail Bachvarov | Bulgaria | 10.57s | Q | | 2. Yojiro Muro |  Japan | 10.70s | Q | | 2. Igor Ter-Ovanesyan | Soviet Union | 10.70s | Q | | 3. George Cmela | Great Britain | 10.77s | Q | | 4. John Attah Nyamikye | Ghana | 10.9s | | | 5. Levi Psavkin |  Israel | 11.0s | | | 6. Joseph Haddad Souhail |  Lebanon | 11.7s | |
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| Heat 3 | | time | | | 1. Berwyn Jones | Great Britain | 10.63s | Q | | 2. László Mihályfi | Hungary | 10.73s | Q | | 3. Rudolf Sundermann |  West Germany | 10.82s | Q | | 4. Aydin Onur |  Turkey | 10.85s | | | 5. Ferruh Oygur | Turkey | 10.91s | | | 6. Miguel Conill | Cuba | 10.8s | |
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| Heat 4 | | time | | | 1. Edvins Ozolins | Soviet Union | 10.66s | Q | | 2. Hans-Jürgen Felsen | West Germany | 10.89s | Q | | 4. Zdzisław Szczerbański | Poland | 10.92s | |
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| Heat 5 | | time | | | 2. Kiyoshi Asai | Japan | 10.80s | Q | | 3. Jorge Soares |  Portugal | 11.03s | Q | | 4. Wahjudi Babang | Indonesia | 11.1s | |
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| Heat 6 | | time | | | 1. Veselin Valov | Bulgaria | 10.69s | Q | | 2. Aarre Asiala |  Finland | 10.87s | Q | | 3. Gerd Nöster |  Austria | 10.91s | Q | | 4. Hubert Figeys |  Belgium | 11.1s | |
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