Athletics at the 2010 South American Games
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	women
Field events
Long jump	men	women
Triple jump	men	women
High jump	men	women
Pole vault	men	women
Shot put	men	women
Discus throw	men	women
Javelin throw	men	women
Hammer throw	men	women
Combined events
Heptathlon		women
Decathlon	men
v t e

The Women's 100m event at the 2010 South American Games was held on March 20, with the heats at 11:50 and the Final at 19:30.

Gold	Silver	Bronze
Ana Claudia Silva  Brazil	Yomara Hinestroza  Colombia	Nelcy Caicedo  Colombia

Standing records prior to the 2010 South American Games
World record	Florence Griffith-Joyner	United States	10.49	Indianapolis, United States	16 July 1988
World Leading	Sally McLellan	Australia	11.39	Sydney, Australia	27 February 2010
South American record	Lucimar Aparecida de Moura	Brazil	11.17	Bogotá, Colombia	25 June 1999<
			11.17	Bogotá, Colombia	25 June 1999
South American U23 record	Felipa Alicia Palacios	Colombia	11.31	Havana, Cuba	16 May 1997

Results were published.^{[1][2][3][4][5]}

Rank	Athlete	Nationality	Reaction	Result	Notes
1	Ana Cláudia Silva	Brazil	0.179	11.17 Q	=AR, SUR, WL
2	Nelcy Caicedo	Colombia	0.194	11.53 Q	PB
3	Érika Chávez	Ecuador	0.225	11.64 Q	SB
4	Macarena Borie	Chile	0.170	12.21 q	SB
5	Constanza Eckhardt	Argentina	0.213	12.36 q
			Wind: +1.4 m/s

Rank	Athlete	Nationality	Reaction	Result	Notes
1	Yomara Hinestroza	Colombia	0.209	11.64 Q
2	Franciela Krasucki	Brazil	0.167	12.00 Q
3	Paola Mautino	Perú	0.230	12.23 Q
4	Anneliese Grosser	Chile	0.194	12.40
			Wind: +0.6 m/s

Rank	Athlete	Nationality	Reaction	Result	Notes
	Ana Claudia Silva	Brazil	0.172	11.33
	Yomara Hinestroza	Colombia	0.205	11.63
	Nelcy Caicedo	Colombia	0.190	11.70
4	Érika Chávez	Ecuador	0.206	11.80
5	Franciela Krasucki	Brazil	0.169	12.27
6	Constanza Eckhardt	Argentina	0.203	12.32
7	Paola Mautino	Perú	0.225	12.35
8	Macarena Borie	Chile	0.200	12.37
			Wind: +1.5 m/s

• 2010 South American Under-23 Championships in Athletics

• Heat 1
• Heat 2
• Final