Athletics at the 1951 Pan American Games – Men's 400 metres

Men's 400 metres at the Pan American Games

The men's 400 metres event at the 1951 Pan American Games was held at the Estadio Monumental in Buenos Aires on 3 and 4 March.

Medalists

Gold	Silver	Bronze
Mal Whitfield  United States	Hugo Maiocco  United States	Herb McKenley  Jamaica

Results

Heats

Held on 3 March

Rank	Heat	Name	Nationality	Time	Notes
1	1	John Voight	United States	50.6	Q
2	1	Angel García	Cuba	50.6	Q
3	1	Ramón Sandoval	Chile	50.7	Q
4	1	Carlos Camargo	Mexico	51.2
5	1	Anastasio Zelaya	Paraguay	51.5
6	1	Luis Modeste	Trinidad and Tobago	??.?
1	2	Guillermo Evans	Argentina	57.3	Q
2	2	Gustavo Ehlers	Chile	57.4	Q
3	2	Carlos Monges	Mexico	1:04.9	Q
	2	Argemiro Roque	Brazil	DNS
	2	Evelio Planas	Cuba	DNS
1	3	Herb McKenley	Jamaica	49.0	Q
2	3	Hugo Maiocco	United States	50.0	Q
3	3	Guido Veronese	Argentina	50.2	Q
4	3	José Zelaya	Paraguay	50.5
5	3	Javier Souza	Mexico	50.6
1	4	Mal Whitfield	United States	49.2	Q
2	4	Jaime Hitelman	Chile	50.6	Q
3	4	Máximo Guerra	Argentina	50.6	Q
4	4	Guillermo Gutiérrez	Venezuela	51.2
	4	Jacinto González	Ecuador	DNS

Semifinals

Held on 3 March

Rank	Heat	Name	Nationality	Time	Notes
1	1	Angel García	Cuba	48.5	Q
2	1	John Voight	United States	48.9	Q
3	1	Gustavo Ehlers	Chile	48.9	Q
4	1	Carlos Monges	Mexico	49.8
5	1	Guillermo Evans	Argentina	50.8
6	1	Ramón Sandoval	Chile	??.?
1	2	Mal Whitfield	United States	48.1	Q
2	2	Herb McKenley	Jamaica	48.9	Q
3	2	Hugo Maiocco	United States	49.0	Q
4	2	Jaime Hitelman	Chile	49.5
5	2	Guido Veronese	Argentina	49.7
6	2	Máximo Guerra	Argentina	??.?

Final

Held on 4 March

Rank	Name	Nationality	Time	Notes
	Mal Whitfield	United States	47.8
	Hugo Maiocco	United States	48.0
	Herb McKenley	Jamaica	48.2
4	John Voight	United States	48.3
5	Angel García	Cuba	48.4
6	Gustavo Ehlers	Chile	49.4