Heats
mercredi 13 décembre 2017, 10h02 GMT – 10h02 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Katinka Hosszú | Hungary | 4′ 27.45″ |
| 2 |  Fantine Lesaffre | France | + 5.46″ |
| 3 |  Lara Grangeon | France | + 6.18″ |
| 4 |  Ilaria Cusinato | Italy | + 7.23″ |
| 5 | África Zamorano | Spain | + 10.26″ |
| 6 | Victoria Kaminskaya | Portugal | + 11.11″ |
| 7 | Boglárka Kapás | Hungary | + 11.9″ |
| 8 | Emily Large | Great Britain | + 13.15″ |
| 9 | Katrine Bukh Villesen | Denmark | + 13.19″ |
| 10 | Cyrielle Duhamel | France | + 13.63″ |
| 11 | Stefania Pirozzi | Italy | + 14.68″ |
| 12 | Claudia Hufnagl | Austria | + 16.7″ |
| 13 | Maria Grandt | Denmark | + 17.53″ |
| 14 | Vilma Ruotsalainen | Finland | + 18.25″ |
| 15 | Hannah Brunzell | Sweden | + 19.93″ |
| 16 | Mia Steen Duus | Denmark | + 23.19″ |
| 17 | Marte Løvberg | Norway | + 24.06″ |
| 18 | Laura Lahtinen | Finland | + 25.13″ |