Athletics at the 1983 Pan American Games – Men's 400 metres

The men's 400 metres event at the 1983 Pan American Games was held in Caracas, Venezuela on 26 and 27 August.^[1]^[2]

Medalists

Gold	Silver	Bronze
Cliff Wiley United States	Lázaro Martínez Cuba	Gérson de Souza Brazil

Rank	Heat	Name	Nationality	Time	Notes
1	1	James Rolle	United States	45.30	Q
2	2	Lázaro Martínez	Cuba	45.38	Q
3	2	Cliff Wiley	United States	45.55	Q
4	2	Gérson de Souza	Brazil	45.97	Q
5	1	Carlos Reyté	Cuba	46.19	Q
6	1	Aaron Phillips	Venezuela	46.38	Q
7	1	Steve Griffiths	Jamaica	46.43	q
8	2	Michael Puckerin	Trinidad and Tobago	46.48	q
9	2	Edison Reyes	Venezuela	46.62
10	1	Evaldo da Silva	Brazil	46.72
11	2	Devon Morris	Jamaica	46.73
12	2	Alfred Browne	Antigua and Barbuda	48.07
13	1	Larry Miller	Antigua and Barbuda	48.39
14	2	Ulric Jackson	United States Virgin Islands	48.61
	1	Bryan Saunders	Canada	DNS

Rank	Name	Nationality	Time
	Cliff Wiley	United States	45.02
	Lázaro Martínez	Cuba	45.37
	Gérson de Souza	Brazil	45.45
4	James Rolle	United States	45.70
5	Carlos Reyté	Cuba	45.78
6	Steve Griffiths	Jamaica	46.57
7	Aaron Phillips	Venezuela	46.68
8	Michael Puckerin	Trinidad and Tobago	46.97