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

Event:	Men's 400 metres
Win Label:	Winning time

The men's 400 metres event at the 1971 Pan American Games was held in Cali on 31 July and 1 August.^{[1] [2]}

Medalists

width=200 bgcolor=gold	Gold	width=200 bgcolor=silver	Silver	width=200 bgcolor=CC9966	Bronze
John Smith	Fred Newhouse	Fernando Acevedo

Results

Heats

Held on 31 July

Rank	Heat	Name	Nationality	Time	Notes
1	1			45.81	Q
2	2			45.83	Q
3	4			46.94	Q
4	2			47.00	Q
5	4			47.18	Q
6	2			47.24	Q
7	4			47.33	Q
8	1			47.49	Q
9	2			47.67	Q
10	3			47.74	Q
11	1			48.00	Q
12	2			48.06
13	3			48.17	Q
14	3			48.25	Q
15	4			48.32	Q
16	3			48.37	Q
17	1			48.55	Q
18	1			48.64
19	4			48.66
20	3			48.84
21	3			48.92
22	1			49.05
23	4			49.10
24	3			49.15
25	2			50.09

Semifinals

Held on 31 July

Rank	Heat	Name	Nationality	Time	Notes
1	2			45.68	Q
2	1			46.11	Q
3	1			46.33	Q
4	2			46.77	Q
5	1			47.01	Q
6	1			47.25	Q
7	2			47.69	Q
8	1			47.74
9	1			47.82
10	2			47.87	Q
11	1			48.10
12	2			48.46
13	2			48.66
14	1			50.24
	2
	2

Final

Held on 1 August

Rank	Name	Nationality	Time	Notes
			44.60	GR
			45.08
			45.30
4			46.52
5			46.82
6			47.28
7			47.43
8			47.46

Notes and References

1. http://atfs.org/wp-content/uploads/Pan-Am-Games-1971.pdf Full results
2. Web site: Track and Field Statistics . trackfield.brinkster.net. 29 November 2019.