| 1. | 12 | | Ami Hirose | 4:20.22a | OS | Ishikawa - Seiryo Sr | 65th InterHigh Japan NATIONAL Championships | Sun, Jul 29 |
| 2. | 12 | | Natsuko Yoshida | 4:22.18a | OS | Nagano - Tokai Daisan (#3) | 65th InterHigh Japan NATIONAL Championships | Sun, Jul 29 |
| 3. | 11 | | Saki Fukui | 4:30.84a | OS | Toyama Shogyou Sr | 65th InterHigh REGIONAL Round | Sat, Jun 16 |
| 4. | 12 | | Yuriko Tanimachi | 4:31.49a | OS | Fukui - Sabae Sr | 65th InterHigh REGIONAL Round | Sat, Jun 16 |
| 5. | 11 | | Ai Honda | 4:32.33a | OS | Nagano Higashi Sr | 65th InterHigh REGIONAL Round | Sat, Jun 16 |
| 6. | 10 | | Aoi Makara | 4:32.61a | OS | Fukui - Mikata Sr | 65th InterHigh Japan NATIONAL Championships | Sun, Jul 29 |
| 7. | 12 | | Chinatsu Uchiyama | 4:32.73a | OS | Niigata - Meikun | 65th InterHigh Prefectural Qualifiers | Thu, May 24 |
| 8. | 12 | | Rio Nyoumura | 4:33.63a | OS | Niigata - Sekine | 65th InterHigh Prefectural Qualifiers | Thu, May 24 |
| 9. | 11 | | Ai Hosoda | 4:36.02a | OS | Nagano Higashi Sr | 65th InterHigh Prefectural Qualifiers | Thu, May 24 |
| 10. | 10 | | Yukine Oguchi | 4:38.56a | OS | Nagano Higashi Sr | 65th InterHigh REGIONAL Round | Sat, Jun 16 |
| 11. | 10 | | Michiru Takano | 4:39.00a | OS | Ishikawa - Seiryo Sr | 65th InterHigh REGIONAL Round | Sat, Jun 16 |
| 12. | 12 | | Kaori Yamada | 4:39.62a | OS | Niigata - Takada | 65th InterHigh Prefectural Qualifiers | Thu, May 24 |
| 13. | 10 | | Kyouko Sasazawa | 4:41.66a | OS | Nagano Higashi Sr | 65th InterHigh Prefectural Qualifiers | Thu, May 24 |
| 14. | 12 | | Yuki Hashidume | 4:41.75a | OS | Ishikawa - Seiryo Sr | 65th InterHigh REGIONAL Round | Sat, Jun 16 |
| 15. | 12 | | Misato Asano | 4:43.18a | OS | Ishikawa - Yugakkan Sr | 65th InterHigh Prefectural Qualifiers | Thu, May 24 |
| 16. | 11 | | Ikumi Machiguchi | 4:43.67a | OS | Toyama Shogyou Sr | 65th InterHigh REGIONAL Round | Sat, Jun 16 |
| 17. | 12 | | Rina Tabata | 4:45.65a | OS | Fukui - Sabae Sr | 65th InterHigh REGIONAL Round | Sat, Jun 16 |
| 18. | 10 | | Karin Watanabe | 4:55.28a | OS | Nagano - Tokai Daisan (#3) | #223 Nittai Distance Meet | Sat, May 5 |
| 19. | 11 | | E~ Fukuda | 4:57.15a | OS | Fukui - Mikata Sr | 65th InterHigh Prefectural Qualifiers | Thu, May 24 |
| 20. | 10 | | Nanase Mano | 4:57.46a | OS | Toyama Shogyou Sr | 65th InterHigh REGIONAL Round | Sat, Jun 16 |
| 21. | 12 | | Haruna Minami | 4:57.53a | OS | Ishikawa - Yugakkan Sr | 65th InterHigh Prefectural Qualifiers | Thu, May 24 |
