Athletics at the 1951 Pan American Games – Men's 4 × 100 metres relay

The men's 4 × 100 metres relay event at the 1951 Pan American Games was held at the Estadio Monumental in Buenos Aires on 5 and 6 March.

Medallists

Gold	Silver	Bronze
United States Donald Campbell Art Bragg Dick Attlesey John Voight	Cuba Raúl Mazorra Angel García Jesús Farrés Rafael Fortún	Argentina Gerardo Bönnhoff Adelio Márquez Fernando Lapuente Mariano Acosta

Results

Heats

Rank	Heat	Nation	Athletes	Time	Notes
1	1	United States	Donald Campbell, Art Bragg, Dick Attlesey, John Voight	41.3	Q
2	1	Cuba	Raúl Mazorra, Angel García, Jesús Farrés, Rafael Fortún	41.7	Q
3	1	Argentina	Gerardo Bönnhoff, Adelio Márquez, Fernando Lapuente, Mariano Acosta	41.9	q
4	1	Chile	Leonel Contreras, Rodolfo López, Gustavo Ehlers, Fernando Salinas	42.2	q
1	2	Colombia	Aristipo Lerma, Armando Muñoz, Alfaro Parra, Jaime Aparicio	43.2	Q
2	2	Peru	Oscar Maldonado, Santiago Ferrando, Miguel León, Gerardo Salazar	43.3	Q
3	2	Paraguay	Celso González, Alfredo Rodas, Fermín Villalba, José Zelaya	43.8

Final

Rank	Nation	Athletes	Time	Notes
	United States	Donald Campbell, Art Bragg, Dick Attlesey, John Voight	41.0
	Cuba	Raúl Mazorra, Angel García, Jesús Farrés, Rafael Fortún	41.2
	Argentina	Gerardo Bönnhoff, Adelio Márquez, Fernando Lapuente, Mariano Acosta	41.8
4	Chile	Leonel Contreras, Rodolfo López, Gustavo Ehlers, Fernando Salinas	42.3
5	Colombia	Aristipo Lerma, Armando Muñoz, Alfaro Parra, Jaime Aparicio	42.8
6	Peru	Oscar Maldonado, Santiago Ferrando, Miguel León, Gerardo Salazar	??.?