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

Athletics at the 1951 Pan American Games
Track events
100 m	men	women
200 m	men	women
400 m	men
800 m	men
1500 m	men
5000 m	men
10,000 m	men
80 m hurdles		women
110 m hurdles	men
400 m hurdles	men
3000 m steeplechase	men
4×100 m relay	men	women
4×400 m relay	men
10,000 m walk	men
Road events
Marathon	men
50 km walk	men
Field events
High jump	men	women
Pole vault	men
Long jump	men	women
Triple jump	men
Shot put	men	women
Discus throw	men	women
Hammer throw	men
Javelin throw	men	women
Combined events
Decathlon	men
v t e

The men's 400 metres hurdles event at the 1951 Pan American Games was held at the Estadio Monumental in Buenos Aires on 27 and 28 February.^[1][2]

Gold	Silver	Bronze
Jaime Aparicio  Colombia	Wilson Carneiro  Brazil	Don Halderman  United States

Rank	Heat	Name	Nationality	Time	Notes
1	1	Don Halderman	United States	53.4	Q
2	1	Reinaldo Martín	Chile	54.3	Q
3	1	Ernesto Igler	Argentina	55.1
4	1	Carlos Monges	Mexico	56.4
1	2	Wilson Carneiro	Brazil	54.9	Q
2	2	Samuel Anderson	Cuba	55.4	Q
3	2	Jörn Gevert	Chile	55.4
4	2	Ernesto Rogg	Argentina	56.6
	2	Dick Attlesey	United States	DNS
1	3	Jaime Aparicio	Colombia	??.?	Q
2	3	Eduardo Laca	Peru	??.?	Q
3	3	Arturo Kuntze	Argentina	??.?
4	3	Udo Martín	Chile	??.?

Rank	Name	Nationality	Time	Notes
	Jaime Aparicio	Colombia	53.4
	Wilson Carneiro	Brazil	53.7
	Don Halderman	United States	54.5
4	Reinaldo Martín	Chile	55.2
5	Eduardo Laca	Peru	??.?
6	Samuel Anderson	Cuba	??.?