Cycling at the 2010 South American Games – Women's Keirin
Main article: Cycling at the 2010 South American Games
The Women's Keirin event at the 2010 South American Games was held on March 20. The qualifications and repechage were held on the morning and the semifinals and finals on the evening.
Medalists
| Gold | Silver | Bronze |
Diana Maria Orrego Colombia |
Janny Milena Zambrano Colombia |
Daiana Almada Argentina |
Results
First round
Heat 1
| Rank | Rider | Q |
|---|---|---|
| 1 | Diana Maria Orrego (COL) | Q |
| 2 |  Marines Prada (VEN) | Q |
| 3 | Daiana Almada (ARG) | |
| 4 |  Maria Paz Bravo (CHI) | |
| 5 |  Maira Barbosa (BRA) | |
Heat 2
| Rank | Rider | Q |
|---|---|---|
| 1 | Janny Milena Zambrano (COL) | Q |
| 2 | Sumaia Ribeiro (BRA) | Q |
| 3 | Irene Aravena Cortes (CHI) | |
| 4 | Caterine Priviley (ARG) | |
Repechage
| Rank | Rider | Q |
|---|---|---|
| 1 | Maira Barbosa (BRA) | Q |
| 2 | Daiana Almada (ARG) | Q |
| 3 | Irene Aravena Cortes (CHI) | |
| 4 | Caterine Priviley (ARG) | |
| 5 | Maria Paz Bravo (CHI) | |
Final
| Rank | Rider |
|---|---|
 | Diana Maria Orrego (COL) |
 | Janny Milena Zambrano (COL) |
 | Daiana Almada (ARG) |
| 4 | Sumaia Ribeiro (BRA) |
| 5 | Marines Prada (VEN) |
| 6 | Maira Barbosa (BRA) |