Heats

Held on 21 July^[2]

Wind:
Heat 3: -2.8 m/s, Heat 4: -0.5 m/s

Rank	Heat	Athlete	Nationality	Time	Notes
1	2	Olga Nasonova	Soviet Union	11.60	Q
1	3	Bev Goddard	Great Britain	11.60	Q
3	1	Olga Zolotaryova	Soviet Union	11.64	Q
4	2	Michelle Glover	United States	11.72	Q
5	3	Sheila de Oliveira	Brazil	11.80	Q
6	1	Jackie Washington	United States	11.82	Q
7	3	Marie Mathieu	Puerto Rico	11.89	Q
8	4	Luisa Ferrer	Cuba	11.90	Q
9	2	Dijana Ištvanović	Yugoslavia	11.91	Q
10	4	Lena Möller	Sweden	11.93	Q
11	4	Carla Mercurio	Italy	11.95	Q
12	3	Doina Ciolan	Romania	12.08	q
13	4	Nawal El Moutawakel	Morocco	12.09	q
14	4	Leanne Evans	Australia	12.10	q[3]
15	1	Piroska Hracs	Hungary	12.15	Q
16	4	Niculina Chiricuţă	Romania	12.18	q
17	3	Laurence Beckles	France	12.20	[4]
18	3	Antonella Capriotti	Italy	12.49
19	2	Dolores Vives	Spain	12.54	[5]
20	1	Ke Jinxia	China	12.71
21	1	Fosa Ibini	Nigeria	12.73
22	4	Elizabeth Mokogwu	Nigeria	12.83
23	2	Mirna Aoudi	Lebanon	13.25
24	3	Dia Toutingi	Syria	13.42
25	1	May Sardouk	Lebanon	13.51

Semifinals

Held on 22 July^[6]

Rank	Heat	Athlete	Nationality	Time	Notes
1	2	Bev Goddard	Great Britain	11.40	Q
2	1	Michelle Glover	United States	11.54	Q
2	2	Jackie Washington	United States	11.54	Q
4	2	Olga Zolotaryova	Soviet Union	11.56	Q
5	1	Sheila de Oliveira	Brazil	11.75	Q
5	1	Olga Nasonova	Soviet Union	11.75	Q
5	2	Carla Mercurio	Italy	11.75	q[7]
8	2	Marie Mathieu	Puerto Rico	11.76	q
9	1	Luisa Ferrer	Cuba	11.78
10	1	Dijana Ištvanović	Yugoslavia	11.90
11	2	Lena Möller	Sweden	11.94
12	2	Piroska Hrács	Hungary	12.00
13	1	Doina Ciolan	Romania	12.04
14	2	Niculina Chiricuţă	Romania	12.15
15	1	Nawal El Moutawakel	Morocco	12.18
	1	Leanne Evans	Australia	DNS	[3]

Final

Held on 22 July^[8][9]

Wind: -0.7 m/s

Rank	Athlete	Nationality	Time	Notes
	Bev Goddard	Great Britain	11.35
	Olga Zolotaryova	Soviet Union	11.51
	Olga Nasonova	Soviet Union	11.54
4	Michelle Glover	United States	11.55
5	Jackie Washington	United States	11.68
6	Marie Mathieu	Puerto Rico	11.76
7	Sheila de Oliveira	Brazil	11.80
8	Carla Mercurio	Italy	11.89