The women's 400 metres sprint competition of the athletics events at the 1979 Pan American Games took place at the Estadio Sixto Escobar.Full results The defending Pan American Games champion was Joyce Yakubowich of Canada.
Records Prior to this competition, the existing world and Pan American Games records were as follows: World record48.94Prague, CzechoslovakiaAugust 31, 1978Pan American Games record51.62Mexico City, Mexico1975
Results All times shown are in seconds.
KEY:WRWorld RecordGRPan American Record
Heats
Rank Heat Name Nationality Time Notes 1 1 June Griffith 52.83 Q 2 2 Sharon Dabney 52.91 Q 3 1 Patricia Jackson 53.13 Q 4 2 Aurelia Pentón 53.37 Q 5 2 Helen Blake 54.22 Q 6 2 Marita Payne 54.90 q 7 1 Micheline Racette 54.95 Q 8 1 Joece Felipe dos Santos 56.39 q 9 1 Denise Muller 56.70 10 2 Tânia Miranda 57.12 11 2 Marcela López 57.65 12 2 Brenda Gordon 13 1 Eugenia Ponce
Final Held on 12 July RankNameNationalityTimeNotesSharon Dabney51.81June Griffith51.81Patricia Jackson52.324Aurelia Pentón52.715Micheline Racette53.306Helen Blake53.417Marita Payne53.998Joece Felipe dos Santos56.49
References