The Women's 100m butterfly event at the 2010 South American Games was held on March 26, with the heats at 10:49 and the Final at 18:32.
Medalists
edit| Gold | Silver | Bronze |
|---|---|---|
Daynara de Paula Brazil |
Carolina Colorado Henao Colombia |
Daiene Dias Brazil |
Records
edit| Standing records prior to the 2010 South American Games | ||||
|---|---|---|---|---|
| World record |  Sarah Sjöström (SWE) |
56.06 | Rome, Italy | 27 July 2009 |
| Competition Record | Gabriella Silva (BRA) |
1:01.54 | Buenos Aires, Argentina | 15 November 2006 |
| South American record | Gabriella Silva (BRA) |
56.94 | Rome, Italy | 27 July 2009 |
Results
editHeats
edit| Rank | Heat | Lane | Athlete | Result | Notes |
|---|---|---|---|---|---|
| 1 | 3 | 4 | Daynara de Paula (BRA) |
1:01.11 | Q CR |
| 2 | 1 | 4 | Carolina Colorado Henao (COL) |
1:01.34 | Q |
| 3 | 2 | 4 | Daiene Dias (BRA) |
1:02.75 | Q |
| 4 | 3 | 5 |  Elimar Barrios (VEN) |
1:03.32 | Q |
| 5 | 1 | 5 | Eliana Barrios (VEN) |
1:03.72 | Q |
| 6 | 3 | 3 | María Clara Sosa (COL) |
1:03.87 | Q |
| 7 | 2 | 5 |  Loren Yamile Cabello (ECU) |
1:04.02 | Q |
| 8 | 2 | 3 |  Manuela Morano (ARG) |
1:04.75 | Q |
| 9 | 1 | 3 | Karen Nicole Antonini (ARG) |
1:05.81 | |
| 10 | 3 | 6 | Ximena Elisabeth Espinol (ECU) |
1:06.49 | |
| 11 | 2 | 6 |  Maria Graciela Rosales (PER) |
1:06.91 | |
| 12 | 1 | 6 |  Daniela Reyes (CHI) |
1:07.86 | |
| 13 | 3 | 2 |  Karen Milenka Guzman (BOL) |
1:08.55 | |
| 14 | 2 | 2 | Carolina Alejandra Muro (PER) |
1:10.03 | |
| 1 | 2 | Josefina Meneses (CHI) |
DNS | ||
| 2 | 7 |  Naomi Korstanje (AHO) |
DNS | ||
Final
edit| Rank | Lane | Athlete | Result | Notes |
|---|---|---|---|---|
 | 4 | Daynara de Paula (BRA) |
1:00.44 | CR |
 | 5 | Carolina Colorado Henao (COL) |
1:01.21 | |
 | 3 | Daiene Dias (BRA) |
1:02.27 | |
| 4 | 6 | Elimar Barrios (VEN) |
1:02.77 | |
| 5 | 2 | Eliana Barrios (VEN) |
1:03.27 | |
| 6 | 1 | Loren Yamile Cabello (ECU) |
1:03.81 | |
| 7 | 7 | María Clara Sosa (COL) |
1:04.37 | |
| 8 | 8 | Manuela Morano (ARG) |
1:04.91 | |