| Final 09:00 | time | gap | | 1. Cecilia Biagioli |  ARG | 2:04:11.5 | | | 2. Poliana Okimoto |  BRA | 2:05:51.3 | +1:39.8 | | 3. Christine Jennings |  USA | 2:05:52.2 | +1:40.7 | | 4. Eva Fabian | USA | 2:05:54.8 | +1:43.3 | | 5. Ana Marcela Cunha | BRA | 2:05:55.2 | +1:43.7 | | 5. Nataly Caldas |  ECU | 2:05:57.0 | +1:55.5 | | 7. Zsofia Balazs |  CAN | 2:06:22.2 | +2:10.7 | | 8. Lizeth Rueda |  MEX | 2:06:26.8 | +2:15.3 | | 9. Yanel Pinto |  VEN | 2:06:57.2 | +2:45.7 | | 10.Pilar Geijo | ARG | 2:07:00.2 | +2:48.7 | | 11.Alejandra Gonzalez | MEX | 2:11:38.0 | +7:26.5 | | 12.Cindy Toscano |  GUA | 2:21:20.8 | +17:09.3 | | 13.Zuleimarie Hornedo |  PUR | 2:22:27.2 | +18:15.7 | | 14.Maria Muñoz | GUA | 2:27:31.4 | +23:19.9 | | –. Yadira Guerra |  ESA | DNF | | –. Betsmara Cruz | PUR | DNF |
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| Chloe Sutton (USA) defending Champion from Rio de Janeiro 2007. |
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