男子 
Heats
各組上位３名およびタイム順で上位１名が準決勝に進出
Heat 1
| Rk | Name | NOC | time | |
| 1 | Büttner, Dieter-Wolfgang |  | 49.78 | Q |
| 2 | Savchenko, Victor |  | 49.90 | Q |
| 3 | Corvaf, Jean-Pierre |  | 50.15 | Q |
| 4 | Kulczycki, Tadeusz |  | 50.19 | q |
| 5 | Soriano, Manuel |  | 50.88 | |
| 6 | Kimaiyo, Fatwell |  | 51.23 | |
| 7 | Frinolli, Roberto |  | 51.69 | |
| 8 | Randrianalijaona, Jaime |  | 52.75 |
Heat 2
| Rk | Name | NOC | time | |
| 1 | Hemery, David |  | 49.72 | Q |
| 2 | Knoke, Gary |  | 50.10 | Q |
| 3 | Zorin, Yuri | | 50.35 | Q |
| 4 | Koskei, William | | 50.58 | |
| 5 | Ballati, Giorgio | | 50.90 | |
| 6 | Hidalgo, Jose |  | 54.00 | |
| 7 | Brinkworth, Norman |  | 54.67 |
Heat 3
| Rk | Name | NOC | time | |
| 1 | Rudolph, Christian |  | 50.00 | Q |
| 2 | Mann, Ralph |  | 50.18 | Q |
| 3 | Schubert, Rainer | | 50.23 | Q |
| 4 | Salin, Ari |  | 50.45 | |
| 5 | Perrinelle, Jean-Pierre | | 51.81 | |
| 6 | Caravalho, José de Jesus |  | 52.64 | |
| 7 | Bergaoui, Hassen |  | 53.70 |
Heat 4
| Rk | Name | NOC | time | |
| 1 | Akii-Bua, John |  | 50.35 | Q |
| 2 | Tziortzis, Stavros |  | 50.54 | Q |
| 3 | Danis, Ivan |  | 50.62 | Q |
| 4 | Field, Bruce | | 51.46 | |
| 5 | Wirz, Hans Jörg |  | 52.34 | |
| 6 | Bruggeman, Richard | | 54.36 | |
| 7 | Ferrer, Julio E. |  | 54.83 | |
| Rojas Soto, Francisco |  | DNS |
Heat 5
| Rk | Name | NOC | time | |
| 1 | Gavrilenko, Evgeni | | 49.73 | Q |
| 2 | Seymour, James | | 49.81 | Q |
| 3 | Ziegler, Rolf | | 50.17 | Q |
| 4 | Johnson, Roger |  | 50.48 | |
| 5 | Murei, Mike | | 51.63 | |
| 6 | Lee, Chung-Ping |  | 52.61 | |
| 7 | Agbamu, Gladstone |  | 53.58 | |
| Sherwood, John | | DNF |
Semifinal
各組上位４名が決勝に進出
Heat 1
Heat 2
Heat 1
| Rk | Name | NOC | time | |
| 1 | Akii-Bua, John | | 49.25 | Q |
| 2 | Mann, Ralph | | 49.53 | Q |
| 3 | Hemery, David | | 49.66 | Q |
| 4 | Schubert, Rainer | | 49.80 | Q |
| 5 | Ziegler, Rolf | | 49.88 | |
| 6 | Danis, Ivan | | 50.01 | |
| 7 | Savchenko, Victor | | 50.28 | |
| 8 | Corval, Jean-Pierre | | 50.75 |
Heat 2
| Rk | Name | NOC | time | |
| 1 | Seymour, James | | 49.33 | Q |
| 2 | Gavrilenko, Evgeni | | 49.34 | Q |
| 3 | Zorin, Yuri | | 49.60 | Q |
| 4 | Tziortzis, Stavros | | 50.06 | Q |
| 5 | Kulczycki, Tadeusz | | 50.80 | |
| 6 | Knoke, Gary | | 52.79 | |
| Rudolph, Christian | | DNF | ||
| Büttner, Dieter- Wolfgang | | DNF |
Final
| Rk | Name | NOC | time |
| 1 | Akii-Bua, John | | 47.82 |
| 2 | Mann, Ralph | | 48.51 |
| 3 | Hemery, David | | 48.52 |
| 4 | Seymour, James | | 48.64 |
| 5 | Schubert, Rainer | | 49.65 |
| 6 | Gavrilenko, Evgeni | | 49.66 |
| 7 | Tziortzis, Stavros | | 49.66 |
| 8 | Zorin, Yuri | | 50.25 |
その他の種目
その他の競技
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