Heats
samedi 16 décembre 2017, 10h24 GMT – 10h24 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Sarah Sjöström | Sweden | 56.05″ |
| 2 |  Marie Wattel | France | + 0.81″ |
| 3 |  Elinore de Jong | Netherlands | + 0.94″ |
| 4 |  Emilie Beckmann | Denmark | + 0.97″ |
| 5 |  Ranomi Kromowidjojo | Netherlands | + 1″ |
| 6 | Kimberly Buys | Belgium | + 1.04″ |
| 7 | Louise Hansson | Sweden | + 1.05″ |
| 8 |  Ilaria Bianchi | Italy | + 1.2″ |
| 9 | Aliena Schmidtke | Germany | + 1.59″ |
| 10 | Elena Di Liddo | Italy | + 1.91″ |
| 11 | Emilie Løvberg | Norway | + 2″ |
| 12 | Caroline Erichsen | Denmark | + 2.05″ |
| 13 | Sara Junevik | Sweden | + 2.15″ |
| 14 |  Lucie Svecená | Czech Republic | + 2.23″ |
| 15 | Liliána Szilágyi | Hungary | + 2.3″ |
| 16 | Amit Ivry | Israel | + 2.35″ |
| 17 | Charlotte Atkinson | Great Britain | + 2.57″ |
| 18 | Katrine Bukh Villesen | Denmark | + 2.78″ |
| 19 |  Franziska Hentke | Germany | + 2.89″ |
| 20 | Nastja Govejsek | Slovenia | + 2.92″ |
| 20 | Emily Large | Great Britain | + 2.92″ |
| 22 | Nastassia Karakouskaya | Belarus | + 3.28″ |
| 23 | Amina Kajtaz | Bosnia & Herzegovina | + 3.56″ |
| 24 | Claudia Hufnagl | Austria | + 3.7″ |
| 25 | Aleyna Özkan | Turkey | + 3.82″ |
| 26 | Barbora Misendova | Slovakia | + 4.09″ |
| 26 | Nea Norismaa | Finland | + 4.09″ |
| 28 | Kristyna Stemberova | Czech Republic | + 4.15″ |
| 29 | Nida Üstündag | Turkey | + 4.31″ |
| 30 | Imge Roza Erdemli | Turkey | + 4.32″ |
| 31 | Lorena Jerebic | Croatia | + 4.57″ |
| 32 | Gabriela Nikitina | Latvia | + 4.87″ |
| 33 | Silvia Laszlova | Slovakia | + 5.1″ |
| 34 | Beatrix Bordás | Hungary | + 5.16″ |
| 35 | Caroline Hechenbichler | Austria | + 5.81″ |
| 36 | Gerda Pak | Estonia | + 6.62″ |
| 37 | Beatrice Felici | San Marino | + 6.94″ |
| 38 | Reetta Kanervo | Finland | + 7.04″ |
| 39 | Ana Janevska | North Macedonia | + 9.29″ |
 Katinka Hosszú | Hungary | DNS | |
| Amalie Mikkelsen | Denmark | DNS |