Athletics at the 2010 South American Games – Women's 4 × 400 metre relay
# Athletics at the 2010 South American Games – Women's 4 × 400 metre relay

The Women's 4x400m Relay event at the 2010 South American Games was held on March 23 at 18:55.

## Medalists

| Gold | Silver | Bronze |
| - | - | - |
| Yaneth Largacha María Alejandra Idrobo Marcela Cuesta Yenifer Padilla Colombia | Barbara Leoncio Elaine Paixão Ana Claudia Silva Barbara de Oliveira Brazil | María Ayelén Diogo Agustina Zerboni Juliana Menéndez María Florencia Lamboglia Argentina |

## Records

Standing records prior to the 2010 South American Games :

| World record | Soviet Union | 3:15.17 | Seoul, South Korea | 1 October 1988 |
| - | - | - | - | - |
| World Leading | University of Technology (JAM) | 3:36.21 | Kingston, Jamaica | 27 February 2010 |
| South American record | Brazil | 3:26.82 | Helsinki, Finland | 13 August 2005 |
| South American U23 record | Brazil | 3:40.05 | Barquisimeto, Venezuela | 27 June 2004 |

## Results

Results were published.

| Rank | Athlete | Nationality | Reaction | Result | Notes |
| - | - | - | - | - | - |
| | Yaneth Largacha María Alejandra Idrobo Marcela Cuesta Yenifer Padilla | Colombia | 0.388 | 3:40.09 | |
| | Barbara Leoncio Elaine Paixão Ana Claudia Silva Barbara de Oliveira | Brazil | 0.294 | 3:40.68 | |
| | María Ayelén Diogo Agustina Zerboni Juliana Menéndez María Florencia Lamboglia | Argentina | 0.260 | 3:51.74 | |
| – | Carla Cavero Alison Sánchez Marysabel Romero Leslie Arnez | Bolivia | 0.219 | DSQ | $^†$ |

$^†:$ Bolivia was initially 3rd in 3:51.04, but disqualified, because Alison Sánchez was tested positive for nandrolone.

