Athletics at the 2003 Pan American Games – Women's marathon
# Athletics at the 2003 Pan American Games – Women's marathon

The women's marathon event at the 2003 Pan American Games took place on Saturday, 9 August 2003. Brazil's Márcia Narloch won the title, defeating title defender Érika Olivera from Chile.

## Medalists

| Gold | Márcia Narloch Brazil |
| - | - |
| Silver | Mariela González Cuba |
| Bronze | Érika Olivera Chile |

## Records

| World record | Paula Radcliffe (GBR) | 2:15:25 | 13 April 2003 | London, Great Britain |
| - | - | - | - | - |
| Pan Am record | Érika Olivera (CHI) | 2:37:41 | 25 July 1999 | Winnipeg, Canada |

## Results

| Rank | Athlete | Time |
| - | - | - |
| 1 | Márcia Narloch (BRA) | 2:39:54 |
| 2 | Mariela González (CUB) | 2:42:55 |
| 3 | Érika Olivera (CHI) | 2:44:52 |
| 4 | Iglandini González (COL) | 2:47:40 |
| 5 | Maria do Carmo Guimarães (BRA) | 2:51:58 |
| 6 | Maribel Burgos (PUR) | 2:53:03 |
| 7 | Angélica Sánchez (MEX) | 2:53:56 |
| 8 | Emperatriz Wilson (CUB) | 2:54:16 |
| 9 | Stacie Albourcek (USA) | 2:55:14 |
| 10 | Kelly Flathers (USA) | 2:59:05 |
| 11 | Lourdes Cruz (PUR) | 3:04:12 |
| 12 | Pascuala Beras (DOM) | 3:04:47 |
| 13 | Adelaide Carrington (VIN) | 3:35:02 |
| — | Isabel Juárez (MEX) | DNF |
| — | Martha Tenorio (ECU) | DNF |
