Swimming at the 2008 Summer Olympics – Women's 800 metre freestyle Heats Heats

| Heat | Lane | Name_ | Nationality | Time_ |
|---|---|---|---|---|
| 5 | 3 | Erika Villaécija García | Spain | 8:32.27 |
| 5 | 8 | Melissa Gorman | Australia | 8:32.34 |
| 2 | 4 | Susana Escobar | Mexico | 8:33.51 |
| 5 | 2 | Sophie Huber | France | 8:33.76 |
| 2 | 5 | Kristel Köbrich | Chile | 8:34.25 |
| 3 | 1 | Maiko Fujino | Japan | 8:35.60 |
| 2 | 1 | Jördis Steinegger | Austria | 8:36.40 |
| 3 | 7 | Tanya Hunks | Canada | 8:38.05 |
| 2 | 3 | Gabriella Fagundez | Sweden | 8:39.06 |
| 4 | 6 | Jaana Ehmcke | Germany | 8:39.51 |
| 2 | 6 | Réka Nagy | Hungary | 8:40.38 |
| 4 | 5 | Ai Shibata | Japan | 8:41.63 |
| 4 | 8 | Eleftheria Evgenia Efstathiou | Greece | 8:41.65 |
| 1 | 4 | Au Hoishun Stephanie | Hong Kong | 8:41.66 |
| 2 | 8 | Lynette Lim | Singapore | 8:45.56 |
| 2 | 2 | Cecilia Biagioli | Argentina | 8:50.18 |
| 1 | 5 | Golda Marcus | El Salvador | 8:51.21 |