Athletics at the 2007 Pan American Games – Women's 400 metres

The women's 400 metres event at the 2007 Pan American Games was held on July 23–25.

Medalists edit

Gold	Silver	Bronze
Ana Guevara Mexico	Christine Amertil Bahamas	Indira Terrero Cuba

Qualification: First 2 of each heat (Q) and the next 2 fastest (q) qualified for the final.

Rank	Heat	Name	Nationality	Time	Notes
1	1	Ana Guevara	Mexico	51.10	Q
2	2	Davita Prendergast	Jamaica	51.47	Q
3	2	Indira Terrero	Cuba	51.56	Q
4	3	Shereefa Lloyd	Jamaica	51.66	Q
5	3	Christine Amertil	Bahamas	51.67	Q, SB
6	2	Debbie Dunn	United States	51.86	q
7	1	LaVerne Jones	United States Virgin Islands	51.94	Q, PB
8	1	Monique Henderson	United States	52.18	q
9	3	Gabriela Medina	Mexico	52.22
10	2	Kineke Alexander	Saint Vincent and the Grenadines	52.37
11	1	Maria Laura Almirão	Brazil	52.72
12	1	Esther Akinsulie	Canada	52.77
13	3	Aliann Pompey	Guyana	53.03
14	2	Ginou Etienne	Haiti	53.13
15	3	Carline Muir	Canada	53.25
16	3	Nathandra John	Saint Kitts and Nevis	53.42
17	2	María Idrobo	Colombia	54.29
18	3	Sheila Ferreira	Brazil	54.44
19	3	Britney St. Louis	Trinidad and Tobago	54.45
20	1	Lucy Jaramillo	Ecuador	54.55
21	2	Hazel Ann Regis	Grenada	54.75
	1	Dominique Maloney	British Virgin Islands	DQ

Rank	Lane	Name	Nationality	Time	Notes
	4	Ana Guevara	Mexico	50.34	SB
	2	Christine Amertil	Bahamas	50.99	SB
	6	Indira Terrero	Cuba	51.09
4	3	Shereefa Lloyd	Jamaica	51.19
5	5	Davita Prendergast	Jamaica	51.90
6	1	Monique Henderson	United States	52.28
7	7	LaVerne Jones	United States Virgin Islands	52.97
8	8	Debbie Dunn	United States	52.97