| Final 19:50 | | time | | | 1. Elise Vanderelst |  Belgium | 4:18.44 | | | 2. Holly Archer |  Great Britain | 4:19.91 | | | 3. Hanna Klein |  Germany | 4:20.07 | | | 4. Marta Pérez |  Spain | 4:20.39 | | | 5. Esther Guerrero | Spain | 4:20.45 | | | 6. Katie Snowden | Great Britain | 4:21.81 | | | 7. Daryia Barysevich |  Belarus | 4:22.98 | | | 8. Gesa Felicitas Krause | Germany | 4:24.26 | | | -. Águeda Marqués | Spain | DQ | |
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| Round | H | Ath | date | | Heats | 3 | 22 | 05.03 |
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Heats - Friday, 5th March 12:22 | | First 3 from each Heat and next 3 Best times advanced to Final. |
| Heat 1 | | time | | | 2. Holly Archer | Great Britain | 4:09.77 | Q, PB | | 3. Gesa Felicitas Krause | Germany | 4:09.92 | Q, SB | | 5. Elise Vanderelst | Belgium | 4:10.49 | q | | 7. Marta Pérez | Spain | 4:11.27 | q | | 8. Diana Mezuliáníková |  Czechia | 4:11.48 | PB | | 12.Federica Del Buono |  Italy | 4:12.79 | SB | | 17.Orysya Demyanyuk |  Ukraine | 4:17.52 | |
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| Heat 2 | | time | | | 10.Daryia Barysevich | Belarus | 4:12.11 | Q | | 11.Esther Guerrero | Spain | 4:12.39 | Q | | 14.Caterina Granz | Germany | 4:13.53 | | | 16.Gaia Sabbatini | Italy | 4:17.21 | | | 18.Claudia Bobocea |  Romania | 4:18.00 | | | 19.Klaudia Kazimierska |  Poland | 4:18.24 | | | 20.Lindsey De Grande | Belgium | 4:18.45 | |
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| Heat 3 | | time | | | 1. Hanna Klein | Germany | 4:09.35 | Q | | 4. Águeda Marqués | Spain | 4:09.94 | Q, PB | | 6. Katie Snowden | Great Britain | 4:10.70 | q | | 9. Martyna Galant | Poland | 4:12.08 | | | 13.Marta Pen Freitas |  Portugal | 4:12.95 | | | 15.Lenuța Simiuc | Romania | 4:14.94 | PB | | 21.Anastasia-Panayiota Marinakou |  Greece | 4:19.60 | SB | | 22.Vera Hoffmann |  Luxembourg | 4:20.50 | |
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