Semi 1 | time | | 1. Pietro Mennea | Italy | 10.26s | Q | 2. Vladimir Ignatenko | Soviet Union | 10.45s | Q | 3. Petar Petrov | Bulgaria | 10.46s | Q | 4. Valeriy Borzov | Soviet Union | 10.53s | Q | 5. Marian Woronin | Poland | 10.54s | | 6. Kenth Rönn | Sweden | 10.63s | | 7. Stefano Curini | Italy | 10.72s | | 8. Lambert Micha | Belgium | 10.74s | |
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Semi 2 | time | | 1. Eugen Ray | East Germany | 10.30s | Q | 2. Leszek Dunecki | Poland | 10.38s | Q | 3. Allan Wells | Great Britain | 10.38s | Q | 4. Nikolay Kolesnikov | Soviet Union | 10.43s | Q | 5. Giovanni Grazioli | Italy | 10.58s | | 6. Lambros Kefalas | Greece | 10.60s | | 7. Joseph Arame | France | 10.64s | | 8. Dragan Zarić | Yugoslavia | 10.69s | |
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