Athletics at the 1968 Summer Games: Previous Summer Games ▪ Next Summer Games
Host City: Ciudad de México, Mexico
Venue(s): University Olympic Stadium, Ciudad de México
Date Started: October 14, 1968
Date Finished: October 14, 1968
Format: Top four in each heat advanced to the final.
| Gold: | Dave Hemery |
| Silver: | Gerhard Hennige |
| Bronze: | John Sherwood |
| Rank | Athlete | Age | Team | NOC | T(H) | T(A) | |
|---|---|---|---|---|---|---|---|
| 1 | Roberto Frinolli | 27 | Italy | ITA | 49.2 | 49.14 | QU |
| 2 | Geoff Vanderstock | 22 | United States | USA | 49.2 | 49.22 | QU |
| 3 | John Sherwood | 23 | Great Britain | GBR | 49.3 | 49.37 | QU |
| 4 | Rainer Schubert | 27 | West Germany | FRG | 49.3 | 49.38 | QU |
| 5 | Juan Carlos Dyrzka | 27 | Argentina | ARG | 49.8 | 49.86 | |
| 6 | Jaakko Tuominen | 24 | Finland | FIN | 50.8 | 50.82 | |
| 7 | John Cooper | 27 | Great Britain | GBR | 50.8 | 50.82 | |
| 8 | Víctor Maldonado | 29 | Venezuela | VEN | 52.2 | 52.29 |
| Rank | Athlete | Age | Team | NOC | T(H) | T(A) | |
|---|---|---|---|---|---|---|---|
| 1 | Gerhard Hennige | 28 | West Germany | FRG | 49.1 | 49.16 | QU |
| 2 | Ron Whitney | 26 | United States | USA | 49.2 | 49.29 | QU |
| 3 | Dave Hemery | 24 | Great Britain | GBR | 49.3 | 49.37 | QU |
| 4 | V'iacheslav Skomorokhov | 28 | Soviet Union | URS | 49.6 | 49.61 | QU |
| 5 | Gary Knoke | 26 | Australia | AUS | 49.6 | 49.61 | |
| 6 | Robert Poirier | 26 | France | FRA | 51.2 | 51.23 | |
| 7 | Roger Johnson | 24 | New Zealand | NZL | 51.8 | 51.87 | |
| 8 | Mamadou Sarr | 30 | Senegal | SEN | 52.1 | 52.20 |