Athletics at the 1991 Pan American Games – Men's 400 metres

The men's 400 metres event at the 1991 Pan American Games was held in Havana, Cuba on 4 and 5 August.

Medalists

Gold	Silver	Bronze
Roberto Hernández Cuba	Ian Morris Trinidad and Tobago	Jeff Reynolds United States

Results

Heats

Rank	Heat	Name	Nationality	Time	Notes
1	1	Roberto Hernández	Cuba	45.54	Q
2	2	Ian Morris	Trinidad and Tobago	45.63	Q
3	3	Quincy Watts	United States	46.02	Q
4	2	Jeff Reynolds	United States	46.06	Q
5	1	Howard Burnett	Jamaica	46.20	Q
6	2	Jorge Valentín	Cuba	46.22	q
7	1	Seibert Straughn	Barbados	46.63	q
8	3	Michael Anderson	Jamaica	46.67	Q
9	1	Tommy Asinga	Suriname	46.89	NR
10	3	Carlos Morales	Chile	47.00
11	3	Alvin Daniel	Trinidad and Tobago	47.17
11	3	Ronald Thorne	Barbados	47.17
13	2	Roberto Bortolotto	Brazil	47.22
14	2	Anthony Wilson	Canada	47.29
15	1	Mike McLean	Canada	47.49
16	3	Desai Wynter	United States Virgin Islands	47.97
17	3	Eversley Linley	Saint Vincent and the Grenadines	48.15
18	1	Keith Smith	United States Virgin Islands	48.22
19	1	William Archer	British Virgin Islands	48.65
19	2	Howard Lindsey	Antigua and Barbuda	48.65
21	1	Eswort Coombs	Saint Vincent and the Grenadines	49.32
22	3	John Palacio	Belize	50.18
	2	Michael Joseph	Belize	DNS

Final

Rank	Name	Nationality	Time	Notes
	Roberto Hernández	Cuba	44.52
	Ian Morris	Trinidad and Tobago	45.24
	Jeff Reynolds	United States	45.81
4	Quincy Watts	United States	46.01
5	Jorge Valentín	Cuba	46.03
6	Howard Burnett	Jamaica	46.10
7	Seibert Straughn	Barbados	46.67
8	Michael Anderson	Jamaica	47.92