Athletics at the 2010 South American Games – Women's 400 metre hurdles
# Athletics at the 2010 South American Games – Women's 400 metre hurdles

The Women's 400m Hurdles event at the 2010 South American Games was held on March 22 at 17:15.

## Medalists

| Gold | Silver | Bronze |
| - | - | - |
| Magdalena Mendoza Venezuela | Déborah Rodríguez Uruguay | Elaine Paixão Brazil |

## Records

Standing records prior to the 2010 South American Games :

| World record | Yuliya Pechenkina | Russia | 52.34 | Tula, Russia | 8 August 2003 |
| - | - | - | - | - | - |
| World Leading | Lauren Boden | Australia | 55.75 | Sydney, Australia | 27 February 2010 |
| South American record | Lucimar Teodoro | Brazil | 55.84 | Belém, Brazil | 25 April 2009 |
| South American U23 record | Perla Regina dos Santos | Brazil | 56.08 | São Caetano, Brazil | 25 April 2003 |

## Results

Results were published.

| Rank | Athlete | Nationality | Result |
| - | - | - | - |
| | Magdalena Mendoza | Venezuela | 59.22 |
| | Déborah Rodríguez | Uruguay | 59.76 |
| | Elaine Paixão | Brazil | 1:00.89 |
| 4 | Wanessa Zavolski | Brazil | 1:01.16 |
| 5 | Rocío Rodrich | Perú | 1:02.96 |
| 6 | Marcela Cuesta | Colombia | 1:03.74 |
| 7 | Natalia Pinzón | Colombia | 1:07.51 |
