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

Results

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

References
Official results

400
2007
2007 in women's athletics