| Heat 1 | | time | | | 4. Amy-Eloise Markovc |  Great Britain | 8:56.26 | Q | | 5. Elena Burkard |  Germany | 8:56.56 | PB, Q | | 7. Meraf Bahta |  Sweden | 8:56.85 | SB, Q | | 8. Maureen Koster |  Netherlands | 8:56.91 | Q | | 9. Selamawit Bayoulgn |  Israel | 8:57.26 | q | | 10.Alice Finot |  France | 8:57.28 | q | | 13.Alberte Kjær Pedersen |  Denmark | 9:00.80 | NR | | 14.Marta García |  Spain | 9:02.00 | PB | | 16.Michelle Finn |  Ireland | 9:05.44 | | | 18.Klara Lukan |  Slovenia | 9:06.82 | | | 20.Ludovica Cavalli |  Italy | 9:14.85 | | | 21.Samrawit Mengsteab | Sweden | 9:15.10 | |
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| Heat 2 | | time | | | 1. Verity Ockenden | Great Britain | 8:52.60 | Q | | 2. Amelia Quirk | Great Britain | 8:53.21 | PB, Q | | 3. Viktória Wagner-Gyürkés |  Hungary | 8:55.72 | Q | | 6. Lucía Rodríguez | Spain | 8:56.71 | PB, Q | | 11.Nataliya Strebkova |  Ukraine | 8:59.15 | q, PB | | 12.Mariana Machado |  Portugal | 8:59.39 | q, PB | | 15.Lea Meyer | Germany | 9:05.13 | | | 17.Linn Nilsson | Sweden | 9:06.55 | SB | | 19.Blanca Fernández | Spain | 9:11.06 | | | 22.Giulia Aprile | Italy | 9:17.66 | | | -. Roxana Rotaru |  Romania | DNF | | | -. Maruša Mišmaš-Zrimsek | Slovenia | DQ | | | -. Jip Vastenburg | Netherlands | DQ | |
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