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

Athletics at the 1999 Pan American Games
Track events
100 m	men	women
200 m	men	women
400 m	men
800 m	men	women
1500 m	men	women
5000 m	men	women
10,000 m	men	women
100 m hurdles		women
110 m hurdles	men
400 m hurdles	men	women
3000 m steeplechase	men
4 × 100 m relay	men	women
4 × 400 m relay	men	women
Road events
Marathon	men	women
20 km walk	men	women
50 km walk	men
Field events
High jump	men	women
Pole vault	men	women
Long jump	men	women
Triple jump	men	women
Shot put	men	women
Discus throw	men	women
Hammer throw	men	women
Javelin throw	men	women
Combined events
Heptathlon		women
Decathlon	men

The women's 400 metres event at the 1999 Pan American Games was held July 24–25.^[1][2]

Gold	Silver	Bronze
Ana Guevara  Mexico	Michelle Collins  United States	Claudine Williams  Jamaica

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

Rank	Heat	Name	Nationality	Time	Notes
1	2	Ana Guevara	Mexico	51.23	Q
2	3	Michelle Collins	United States	51.42	Q
3	2	Claudine Williams	Jamaica	51.88	Q
4	2	Aliann Pompey	Guyana	52.65	q
5	3	Norfalia Carabalí	Colombia	52.73	Q
6	1	Andrea Anderson	United States	52.83	Q
7	2	Foy Williams	Canada	52.95	q
7	3	Tonique Williams	Bahamas	52.95
9	1	Melissa Straker	Barbados	52.96	Q
10	3	Verneta Lesforis	Saint Lucia	53.07
11	3	Idalmis Bonne	Cuba	53.09
12	1	LaDonna Antoine	Canada	53.10
13	3	Zoila Stewart	Costa Rica	55.37
	1	Tracey Barnes	Jamaica	DNS
	2	Hazel-Ann Regis	Grenada	DNS

Rank	Name	Nationality	Time	Notes
	Ana Guevara	Mexico	50.91
	Michelle Collins	United States	51.21
	Claudine Williams	Jamaica	51.58
4	Andrea Anderson	United States	52.43
5	Melissa Straker	Barbados	52.90
6	Norfalia Carabalí	Colombia	53.06
7	Foy Williams	Canada	53.65
	Aliann Pompey	Guyana	DNF