| Date | 24 July 1976 |
|---|---|
| Location | Piscine olympique, Montréal, Québec |
| Pos | Lane | Competitor | NOC | Time | |||
|---|---|---|---|---|---|---|---|
| 1 | 4 | Joe Bottom |  USA | 51.47 | |||
| 2 | 5 | Peter Nocke |  FRG | 51.59 | |||
| 3 | 3 | Bruce Robertson |  CAN | 53.37 | |||
| 4 | 6 | Peter Coughlan |  AUS | 53.49 | |||
| 5 | 2 | Dan Larsson |  SWE | 53.81 | |||
| 6 | 7 | Gianni Versari |  PAN | 54.11 | |||
| 7 | 1 | Steven Newkirk |  ISV | 55.43 | |||
| 8 | John Ebito |  NGR | – |
