LogoRankings
| # | Name | Result | Citizen of | Competition | |
|---|---|---|---|---|---|
| 1 | Shelley Chang | 1:23.96 | United States | Berkeley Spring 2008 | |
| 2 | Ambie Valdés | 4:12.24 | United States | Caltech Spring 2007 | |
| 3 | Yu Araki (荒木由布) | 4:15.33 | Japan | Kashiwa Open 2008 | |
| 4 | Laetitia Lemoine | 5:21.02 | France | Toulouse Summer Open 2008 | |
| 5 | Mimmi Leckius | 5:55.36 | Sweden | Swedish Open 2006 | |
| 6 | Charlie Cooper | 7:16.65 | United Kingdom | UK Open 2008 | |
| 7 | Kristine Doctor | 7:34.58 | Philippines | Philippines Open 2008 | |
| 8 | Klaudia Grabowska | 8:55.38 | Poland | WSTIH Open 2008 | |
| 9 | Eloise Anguluan | 9:28.94 | Philippines | Philippines Open 2008 |