The women's marathon event at the 2007 Pan American Games was held on July 22.
Results edit
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
 |
Mariela González |  Cuba |
2:43:11 | |
 |
Márcia Narloch |  Brazil |
2:45:10 | |
 |
Sirlene Pinho | Brazil |
2:47:36 | |
| 4 | Jessica Rodríguez |  Mexico |
2:48:11 | |
| 5 | Yailén García | Cuba |
2:49:52 | |
| 6 | Ruby Riativa |  Colombia |
2:51:35 | |
| 7 | Christine Lundy |  United States |
2:51:56 | |
| 8 | Emily Mortensen | United States |
3:02:00 | |
| Claudia Camargo |  Argentina |
DNF | ||
| Yolanda Mercado |  Puerto Rico |
DNF | ||
| Érika Olivera |  Chile |
DNF | ||
| María Elena Valencia | Mexico |
DNF |