| Competition | 1975 Pan American Games |
|---|---|
| Venue |
Ciudad de México
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | United States | 3:27.67 | |||
| Jack Babashoff | 52.60 | ||||
| Art Ruble | 51.77 | ||||
| Mike Grattan | 51.38 | ||||
| Richard Abbott | 51.92 | ||||
| 🥈 | Canada | 3:36.24 | |||
| Bruce Robertson | 54.33 | ||||
| Gary MacDonald | 53.02 | ||||
| Mike Blondal | 54.38 | ||||
| Steve Hardy | 54.51 | ||||
| 🥉 | Mexico | 3:39.17 | |||
| Guillermo García | — | ||||
| Eduardo Pérez | — | ||||
| Jorge Necochea | — | ||||
| Ricardo Sasser | — |