4 x 100 m Freestyle Relay, Men
| Competition | 1979 Pan American Games |
|---|---|
| Venue |
San Juan
 PUR
|
| Held | — |
| Status | Medal |
| Competitors | 12 |
| Countries | 3 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | United States |  USA |
3:23.71 | ||
| Rowdy Gaines | 50.41 | ||||
| Jack Babashoff | 51.26 | ||||
| John Newton | 50.71 | ||||
| David McCagg | 51.33 | ||||
| 🥈 | Canada |  CAN |
3:29.64 | ||
| Graham Welbourn | 52.96 | ||||
| Alan Swanston | 51.92 | ||||
| Bill Sawchuk | 52.45 | ||||
| Peter Szmidt | 52.31 | ||||
| 🥉 | Brazil |  BRA |
3:30.86 | ||
| Cyro Delgado | 53.38 | ||||
| Djan Madruga | 52.52 | ||||
| Marcus Mattioli | 52.51 | ||||
| Rômulo Arantes | 52.45 |