The Women's 50m breaststroke event at the 2010 South American Games was held on March 26, with the heats at 10:06 and the Final at 18:02.
Medalists
edit| Gold | Silver | Bronze |
Ana Carvalho Brazil
|
Alessandra Marchioro Brazil
|
Agustina de Giovanni Argentina
|
Records
edit| Standing records prior to the 2010 South American Games | ||||
|---|---|---|---|---|
| World record |  Jessica Hardy (USA)
|
29.80 | Federal Way, United States | 7 August 2009 |
| Competition Record | Javiera Salcedo (ARG)
|
33.12 | Buenos Aires, Argentina | 15 November 2006 |
| South American record | Tatiane Sakemi (BRA)
|
30.81 | Rio de Janeiro, Brazil | 8 May 2009 |
Results
editHeats
edit| Rank | Athlete | Result | Notes |
|---|---|---|---|
| 1 | Alessandra Marchioro (BRA)
|
32.26 | Q CR |
| 2 | Agustina de Giovanni (ARG)
|
32.82 | Q |
| 3 | Ana Carvalho (BRA)
|
33.26 | Q |
| 4 |  Daniela Victoria (VEN)
|
33.65 | Q |
| 5 | Mercedes Toledo (VEN)
|
33.92 | Q |
| 6 |  Monica Álvarez (COL)
|
33.96 | Q |
| 7 | Malena Coschiza (ARG)
|
33.99 | Q |
| 8 |  Ashley Bransford (ARU)
|
34.92 | Q |
| 9 | Laura Galarza (COL)
|
35.21 | |
| 10 |  Raysa Malu Ruiz (PER)
|
36.05 | |
| 11 |  Nilshaira Isenia (AHO)
|
36.49 | |
| 12 |  Camila Espiniosa (ECU)
|
36.89 | |
| 13 | Patricia Mariana San Martin (PER)
|
37.07 | |
| 14 | Carla Bastidas Torres (ECU)
|
37.51 | |
| 15 |  Lujan Amarilla Vargas (PAR)
|
37.88 | |
| 16 | Silvana Andrea Valenzuela (PAR)
|
38.60 | |
 Mariana Vaca Diez (BOL)
|
DNS |
Final
edit| Rank | Athlete | Result | Notes |
|---|---|---|---|
|
Ana Carvalho (BRA)
|
32.66 | |
|
Alessandra Marchioro (BRA)
|
32.67 | |
|
Agustina de Giovanni (ARG)
|
33.24 | |
| 4 | Malena Coschiza (ARG)
|
33.54 | |
| 5 | Monica Álvarez (COL)
|
33.74 | |
| 6 | Mercedes Toledo (VEN)
|
34.04 | |
| 7 | Daniela Victoria (VEN)
|
34.07 | |
| 8 | Ashley Bransford (ARU)
|
35.74 |