Athletics at the 1971 Pan American Games – Women's 100 metres

Held on 2 August

Wind:
Heat 1: +3.8 m/s, Heat 2: +4.4 m/s, Heat 3: +1.8 m/s

Rank	Heat	Name	Nationality	Time	Notes
1	1	Iris Davis	United States	11.23	Q
2	1	Silvia Chivás	Cuba	11.39	Q
3	2	Orien Brown	United States	11.48	Q
4	1	Stephanie Berto	Canada	11.52	Q
4	2	Fulgencia Romay	Cuba	11.52	Q
6	2	Rose Allwood	Jamaica	11.53	Q
7	2	Silvina Pereira da Silva	Brazil	11.56	Q
8	3	Juana Mosquera	Colombia	11.60	Q
9	2	Joan Porter	Trinidad and Tobago	11.79	Q
10	1	Irene Fitzner	Argentina	11.94	Q
11	3	María Luisa Vilca	Peru	11.95	Q
12	2	Claudette Powell	Bahamas	12.01	q
12	3	Diva Bishop	Panama	12.01	Q
14	3	Joyce Veira	Suriname	12.09	Q
15	2	Sandra Johnson	Costa Rica	12.10
16	1	Edith Noeding	Peru	12.25	Q
17	2	Zulay Montaño	Venezuela	12.30
18	3	Beatriz Allocco	Argentina	12.53	Q
19	1	Adriana Marchena	Venezuela	12.62
20	1	Aida Ortiz	Colombia	12.64
21	3	Mayra Figueroa	Guatemala	13.67
	3	Patty Loverock	Canada	DNF
	3	Josefa Vicent	Uruguay	DNS

Held on 3 August

Wind:
Heat 1: +2.7 m/s, Heat 2: +3.8 m/s

Rank	Heat	Name	Nationality	Time	Notes
1	1	Iris Davis	United States	11.29	Q
2	2	Silvia Chivás	Cuba	11.43	Q
3	2	Orien Brown	United States	11.52	Q
4	1	Stephanie Berto	Canada	11.55	Q
5	2	Rose Allwood	Jamaica	11.60	Q
6	1	Juana Mosquera	Colombia	11.64	Q
7	1	Silvina Pereira da Silva	Brazil	11.71	Q
8	2	María Luisa Vilca	Peru	11.98	Q
9	2	Irene Fitzner	Argentina	12.02
10	2	Joyce Veira	Suriname	12.03
11	2	Joan Porter	Trinidad and Tobago	12.06
12	1	Diva Bishop	Panama	12.14
13	1	Edith Noeding	Peru	12.40
14	1	Beatriz Allocco	Argentina	12.40
	1	Fulgencia Romay	Cuba	DNS
	2	Claudette Powell	Bahamas	DNS

Held on 3 August

Wind: +3.0 m/s

Rank	Name	Nationality	Time	Notes
	Iris Davis	United States	11.25
	Stephanie Berto	Canada	11.40
	Silvia Chivás	Cuba	11.47
4	Orien Brown	United States	11.49
5	Juana Mosquera	Colombia	11.49
6	Rose Allwood	Jamaica	11.65
7	María Luisa Vilca	Peru	11.99
	Silvina Pereira da Silva	Brazil	DNS