| Event: | Men's 4 × 100 metres relay |
| Games: | 1979 |
| Venue: | Estadio Sixto Escobar |
| Dates: | 14 July |
| Win Value: | 38.85 |
| Win Label: | Winning time |
| Gold: | Mike Roberson, Harvey Glance, Cliff Wiley, Steve Riddick |
| Goldnoc: | USA |
| Silver: | Osvaldo Lara, Alejandro Casañas, Silvio Leonard, Juan Saborit |
| Silvernoc: | CUB |
| Bronze: | Milton de Castro, Nelson dos Santos, Rui da Silva, Altevir de Araújo |
| Bronzenoc: | BRA |
| Prev: | 1975 |
| Next: | 1983 |
The men's 4 × 100 metres relay competition of the athletics events at the 1979 Pan American Games took place at the Estadio Sixto Escobar.[1] [2] The defending Pan American Games champion was the United States team.
Prior to this competition, the existing world and Pan American Games records were as follows:
| World record | 38.03 | Düsseldorf, West Germany | September 3, 1977 | ||
| Pan American Games record | 38.31 | Mexico City, Mexico | 1975 |
| KEY: | WR | World Record | GR | Pan American Record |
Held on 14 July
| Rank | Competitors | Nation | Time | Notes | |
|---|---|---|---|---|---|
| Mike Roberson, Harvey Glance, Cliff Wiley, Steve Riddick | 38.85 | ||||
| Osvaldo Lara, Alejandro Casañas, Silvio Leonard, Juan Saborit | 39.14 | ||||
| Milton de Castro, Nelson dos Santos, Rui da Silva, Altevir de Araújo | 39.44 | ||||
| 4 | George Walcott, Colin Bradford, Don Quarrie, Oliver Haywood | 39.83 | |||
| 5 | Tony Sharpe, Desai Williams, Hugh Spooner, Marvin Nash | 39.92 | |||
| 6 | Luis Alers, Jesús Cabrera, Iván Mangual, Wilfredo Molina | 40.28 | |||
| 7 | Edwin Noel, Ephraim Serrette, Linton Williams, Hasely Crawford | 40.44 | |||
| Mariano Reyes, Francisco Solis, Rafael Félix, Gerardo Suero |