| RK | Name | H/L | Time | Gap | Q |
|---|---|---|---|---|---|
| 1 | Pádár Nikolett (2006)Szegedi Úszó Egylet | 04:17.52 96.186% | - | D4 | |
| 2 | Rohács Réka (2000)Kőbánya Sport Club | 04:17.71 99.056% | 00.19 | D5 | |
| 3 | Késely Ajna (2001)BVSC-Zugló | 04:17.84 95.336% | 00.32 | D3 | |
| 4 | Johanna Enkner (2000)Österreichischer Swhwimmverband (AUT) | 04:18.15 100.432% | 00.63 | D6 | |
| 5 | Rametelli Giulia (2000)Italian National Team | 04:18.20 97.743% | 00.68 | D2 | |
| 6 | Fábián Bettina (2004)FTC | 04:18.55 96.106% | 01.03 | D7 | |
| 7 | Flück Nóra (2005)A Jövő SC | 04:18.98 98.144% | 01.46 | D1 | |
| 8 | Király Flóra (2008)KASI | 04:19.40 100.162% | 01.88 | D8 | |
| 9 | Nagy Napsugár (2008)Zalaco ZÚK | 04:19.49 99.008% | 01.97 | T1 | |
| 10 | Szabó Lilla (2009)Egri Úszó Klub SE | 04:19.53 99.442% | 02.01 | T2 | |
| 11 | Lena Opatril (1999)Österreichischer Swhwimmverband (AUT) | 04:21.22 98.713% | 03.70 | ||
| 12 | Bartalos Anna (2010)TVSE | 04:25.51 99.080% | 07.99 | ||
| 13 | Juhász Janka (2000)Balaton ÚK Veszprém | 04:26.81 104.492% | 09.29 | ||
| 14 | Olasz Anna Gréta (1993)Szegedi Úszó Egylet | 04:26.85 100.090% | 09.33 | ||
| 15 | Nett Vivien (2006)Zalaco ZÚK | 04:27.66 97.058% | 10.14 | ||
| 16 | Nagy Dalma (2009)TVSE | 04:29.64 100.274% | 12.12 | ||
| 17 | Pál Adél (2005)Vasas Sport Club | 04:31.03 100.302% | 13.51 | ||
| 18 | Balogh Vivien (2002)FTC | 04:34.11 97.796% | 16.59 | ||
| 19 | Pozsonyi Kitti (2006)Érdi Vízisport Kft | 04:34.34 100.117% | 16.82 | ||
| 20 | Leni-Sophie Kapfer (2007)Österreichischer Swhwimmverband (AUT) | 04:34.43 99.854% | 16.91 | ||
| 21 | Varga Zsófia (2006)Vasas Sport Club | 04:35.40 98.713% | 17.88 | ||
| 22 | Virág Réka (2008)TVSE | 04:36.90 100.585% | 19.38 | ||
| 23 | Spàczay Alexandra (2000)SV-Friesen Wien | 04:38.02 94.558% | 20.50 | ||
| 24 | Reizinger Anna (2009)DSI | 04:39.85 96.079% | 22.33 | ||
| 25 | Nagy-Benedek Izabell (2010)Békéscsabai EUK | 04:40.19 99.122% | 22.67 | ||
| 26 | Németh Hanna (2009)Újpesti Torna Egylet | 04:42.01 98.889% | 24.49 | ||
| 27 | Németh Emilia Anna (2009)Zalaco ZÚK | 04:43.51 100.078% | 25.99 | ||
| 28 | Nagyházi Lili (2009)A Jövő SC | 04:45.08 98.735% | 27.56 | ||
| 29 | Szabó Flóra (2011)Hód Úszó SE | 04:46.33 98.827% | 28.81 | ||
| 30 | Cseke Borbála (2009)Újpesti Torna Egylet | 04:47.43 98.445% | 29.91 | ||
| 31 | Mohay Janka (2010)KVSC | 04:57.42 93.547% | 39.90 | ||
| 32 | Libscher Júlia (2009)A Jövő SC | 05:01.32 95.690% | 43.80 | ||
| - | Abonyi-Tóth Glenda (2006)A Jövő SC | DNS - | |||
| - | Kokas Fanni Viktória (2009)A Jövő SC | DNS - | |||