Athletics at the 1999 Pan American Games – Women's 400 metres hurdles

The women's 400 metres hurdles event at the 1999 Pan American Games was held July 27–28.

Medalists

Gold	Silver	Bronze
Daimí Pernía Cuba	Andrea Blackett Barbados	Michelle Johnson United States

Results

Heats

Qualification: First 3 of each heat (Q) and the next 2 fastest (q) qualified for the final.

Rank	Heat	Name	Nationality	Time	Notes
1	1	Andrea Blackett	Barbados	55.65	Q
2	2	Daimí Pernía	Cuba	55.81	Q
3	1	Michelle Johnson	United States	56.17	Q
4	2	Karlene Haughton	Canada	56.74	Q
5	2	Joanna Hayes	United States	56.79	Q
6	1	Allison Beckford	Jamaica	57.28	Q
7	1	Deniece Bell	Canada	57.60	q
8	2	Ana Paula Pereira	Brazil	59.69	q
9	1	Ondina Rodríguez	Ecuador	1:04.32
	2	Debbie-Ann Parris	Jamaica	DNS

Final

Rank	Name	Nationality	Time	Notes
	Daimí Pernía	Cuba	53.44	GR
	Andrea Blackett	Barbados	53.98
	Michelle Johnson	United States	54.22
4	Karlene Haughton	Canada	55.62
5	Joanna Hayes	United States	55.90
6	Allison Beckford	Jamaica	56.52
7	Deniece Bell	Canada	56.81
8	Ana Paula Pereira	Brazil	57.92