Heats
vendredi 3 août 2018, 11h13 GMT – 11h13 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Sarah Sjöström | Sweden | 24.14″ |
| 2 |  Pernille Blume | Denmark | + 0.13″ |
| 3 |  Mariya Kameneva | Russia | + 0.25″ |
| 4 | Tamara van Vliet | Netherlands | + 0.63″ |
| 5 |  Ranomi Kromowidjojo | Netherlands | + 0.68″ |
| 6 | Kim Busch | Netherlands | + 0.79″ |
| 7 |  Theodora Drakou | Greece | + 0.84″ |
| 8 | Julie Jensen | Denmark | + 0.86″ |
| 9 | Rozaliya Nasretdinova | Russia | + 0.87″ |
| 10 | Ruta Meilutyte | Lithuania | + 1.06″ |
| 11 | Erika Ferraioli | Italy | + 1.14″ |
| 12 | Nina Kost | Switzerland | + 1.15″ |
| 13 | Lidón Muñoz | Spain | + 1.18″ |
| 14 |  Andrea Murez | Israel | + 1.22″ |
| 15 |  Anika Apostalon | Czech Republic | + 1.23″ |
| 16 | Sasha Touretski | Switzerland | + 1.33″ |
| 17 | Anna Dowgiert | Poland | + 1.35″ |
| 17 | Lucrezia Raco | Italy | + 1.35″ |
| 19 |  Mimosa Jallow | Finland | + 1.39″ |
| 19 | Anna Hopkin | Great Britain | + 1.39″ |
| 21 | Gabriela Nikitina | Latvia | + 1.44″ |
| 22 |  Anouchka Martin | France | + 1.45″ |
| 23 | Neža Klancar | Slovenia | + 1.48″ |
| 24 | Freya Anderson | Great Britain | + 1.56″ |
| 25 | Susann Bjørnsen | Norway | + 1.59″ |
| 26 | Anna Kolárová | Czech Republic | + 1.63″ |
| 27 | Yuliya Khitraya | Belarus | + 1.67″ |
| 27 |  Mélanie Henique | France | + 1.67″ |
| 29 | Lena Kreundl | Austria | + 1.68″ |
| 30 | Nastassia Karakouskaya | Belarus | + 1.7″ |
| 31 | Ieva Maluka | Latvia | + 1.74″ |
| 32 | Selen Özbilen | Turkey | + 1.83″ |
| 33 | Iryna Pikiner | Ukraine | + 1.86″ |
| 34 | Kalia Antoniou | Cyprus | + 1.88″ |
| 35 | Laura Glerup Jensen | Denmark | + 2.02″ |
| 36 | Magdalena Kuras | Sweden | + 2.05″ |
| 36 |  Janja Šegel | Slovenia | + 2.05″ |
| 38 | Lucy Hope | Great Britain | + 2.08″ |
| 39 | Jenna Laukkanen | Finland | + 2.28″ |
| 40 | Arina Baikova | Latvia | + 2.39″ |
| 41 | Kertu Alnek | Estonia | + 2.4″ |
| 42 | Juliette Dumont | Belgium | + 2.42″ |
| 43 | Daniela Georges | Poland | + 2.6″ |
| 44 | Ida Hulkko | Finland | + 2.62″ |
| 45 | Cornelia Pammer | Austria | + 2.63″ |
| 46 | Kertu Kaare | Estonia | + 2.66″ |
| 47 | Laura Benková | Slovakia | + 2.79″ |
| 47 | Sezin Eliguel | Turkey | + 2.79″ |
| 49 | Veera Kivirinta | Finland | + 2.93″ |
| 50 | Nikol Merizaj | Albania | + 3.07″ |
| 51 | Aleyna Özkan | Turkey | + 3.65″ |
| 52 | Beatrice Felici | San Marino | + 3.67″ |
| 53 | Sara Lettoli | San Marino | + 3.72″ |
| 54 | Elisa Bernardi | San Marino | + 3.87″ |
| 55 | Fjorda Shabani | Kosovo | + 4.02″ |
| Ani Poghosyan | Armenia | DNS | |
| Fatima Alkaramova | Azerbaijan | DNS | |
| Ekaterina Avramova | Turkey | DNS | |
| Eda Zeqiri | Kosovo | DNS |