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Women's 400 metres at the 2023 Pan American Games
Venue	Julio Martínez National Stadium
Dates	October 30 – November 1
Competitors	10 from 8 nations
Winning time	51.48
Medalists
Martina Weil   Chile   Nicole Caicedo   Ecuador   Evelis Aguilar   Colombia
«2019 2027»

Athletics at the 2023 Pan American Games
Qualification
Track events
100 m	men		women
200 m	men		women
400 m	men		women
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		women
4×100 m relay	men		women
4×400 m relay	men	mixed	women
Road events
Marathon	men		women
20 km walk	men	mixed	women
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
v t e

The men's 400 metres competition of the athletics events at the 2023 Pan American Games was held on October 30 and November 1 at the Julio Martínez National Stadium of Santiago, Chile.

Records

Prior to this competition, the existing world and Pan American Games records were as follows:

World record	Marita Koch (GER)	47.60	Canberra, Australia	October 6, 1985
Pan American Games record	Ana Quirot (PUR)	49.61	Havana, Cuba	August 6, 1991

Schedule

Results

All times shown are in seconds.

Semifinal

Qualification: First 2 in each heat (Q) and next 2 fastest (q) qualified for the final. The results were as follows:

Rank	Heat	Name	Nationality	Time	Notes
1	1	Martina Weil	Chile	51.47	Q
2	1	Aliyah Abrams	Guyana	51.82	Q
3	1	Nicole Caicedo	Ecuador	52.32	Q
4	1	Madeline Price	Canada	52.70	q
5	1	Tiffani Marinho	Brazil	52.83	q, PB
6	2	Evelis Aguilar	Colombia	53.11	Q
7	2	Grace Konrad	Canada	53.64	Q
8	2	Tábata Vitorino	Brazil	55.57	Q
	2	Anabel Medina	Dominican Republic	DQ	TR 16.8
	2	Roxana Gómez	Cuba	DNS

Final

The results were as follows:

Rank	Lane	Name	Nationality	Time	Notes
	6	Martina Weil	Chile	51.48
	8	Nicole Caicedo	Ecuador	51.76
	5	Evelis Aguilar	Colombia	51.95
4	7	Grace Konrad	Canada	52.10
5	4	Aliyah Abrams	Guyana	52.66
6	2	Tiffani Marinho	Brazil	52.81	PB
7	3	Madeline Price	Canada	53.59
	1	Tábata Vitorino	Brazil	DNS

References

1. "Sport Calendar Pan American Games" (PDF). www.panamsports.org/. Panam Sports. 29 July 2022. Retrieved 29 October 2023.
2. "Women's 400 metres - Semifinal Results" (PDF). Retrieved November 4, 2023.
3. "Women's 400 metres - Final Results" (PDF). Retrieved November 4, 2023.

This article needs additional or more specific categories. Please help out by adding categories to it so that it can be listed with similar articles. (November 2023)

• Athletics at the 2023 Pan American Games
• 400 metres at the Pan American Games
• 2023 in women's athletics