Athletics at the 1971 Pan American Games – Men's 400 metres hurdles

Men's 400 metres hurdles at the Pan American Games

The men's 400 metres hurdles event at the 1971 Pan American Games was held in Cali on 2 and 3 August.

Medalists

Gold	Silver	Bronze
Ralph Mann  United States	Jim Seymour  United States	José Jacinto Hidalgo  Venezuela

Results

Heats

Rank	Heat	Name	Nationality	Time	Notes
1	1	Ralph Mann	United States	51.77	Q
2	1	José Jacinto Hidalgo	Venezuela	51.89	Q
3	1	Juan Carlos Dyrzka	Argentina	51.93	Q
4	1	Francisco Dumeng	Puerto Rico	52.41	Q
5	1	Juan García	Cuba	52.70
6	2	Miguel Olivera	Cuba	54.40	Q
7	1	Brock Aynsley	Canada	54.76
8	2	Orominio Santaella	Puerto Rico	56.13	Q
9	2	Manuel Ruiz	Mexico	58.30	Q
10	2	Jim Seymour	United States	59.07	Q

Final

Rank	Name	Nationality	Time	Notes
	Ralph Mann	United States	49.10	GR
	Jim Seymour	United States	50.36
	José Jacinto Hidalgo	Venezuela	51.68
4	Miguel Olivera	Cuba	52.05
5	Juan Carlos Dyrzka	Argentina	52.13
6	Orominio Santaella	Puerto Rico	53.50
7	Francisco Dumeng	Puerto Rico	53.54
8	Manuel Ruiz	Mexico	56.24