| Date | 15 October 1968 |
|---|---|
| Location | Estadio Olímpico Universitario, Ciudad de México |
| Details | Wind: 1.2 m/s |
| Pos | Lane | Competitor | NOC | Time (Hand) | Time (Automatic) | |||
|---|---|---|---|---|---|---|---|---|
| 1 | 111 | Peter Norman |  AUS | 20.2 | 20.23 | |||
| 2 | 344 | Roger Bambuck |  FRA | 20.5 | 20.61 | |||
| 3 | 424 | Dick Steane |  GBR | 20.6 | 20.66 | |||
| 4 | 592 | Rajalingam Gunaratnam |  MAS | 21.5 | 21.58 | |||
| 5 | 702 | Alberto Torres |  DOM | 21.9 | 21.99 | |||
| 6 | 234 | José Astacio |  ESA | 23.1 | 23.13 | |||
| 690 | Juan Franceschi |  PUR | – | – | ||||
| 510 | Ito Giani |  ITA | – | – |
