# Swimming at the 2020 European Aquatics Championships – Women's 100 metre backstroke

The Women's 100 metre backstroke competition of the 2020 European Aquatics Championships was held on 20 and 21 May 2021.

## Records

Before the competition, the existing world, European and championship records were as follows.
| | Name | Nation | Time | Location | Date |
| World record | Regan Smith | United States | 57.57 | Gwangju | 28 July 2019 |
| European record | Gemma Spofforth | Great Britain | 58.12 | Rome | 28 July 2009 |
| Championship record | Mie Nielsen | Denmark | 58.73 | London | 19 May 2016 |
The following new records were set during this competition.
| Date | Event | Name | Nationality | Time | Record |
| 20 May | Semifinals | Kira Toussaint | Netherlands | 58.73 | CR |
| 20 May | Semifinals | Kathleen Dawson | Great Britain | 58.44 | CR |

## Results
### Heats

The heats were started on 20 May at 10:55.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | 4 | Kathleen Dawson | Great Britain | 59.32 | Q |
| 2 | 5 | 4 | Kira Toussaint | Netherlands | 59.57 | Q |
| 3 | 5 | 5 | Maria Kameneva | Russia | 59.74 | Q |
| 4 | 4 | 4 | Margherita Panziera | Italy | 59.94 | Q |
| 5 | 6 | 7 | Anastasia Gorbenko | Israel | 59.96 | Q, NR |
| 6 | 6 | 3 | Cassie Wild | Great Britain | 1:00.09 | Q |
| 7 | 6 | 2 | Louise Hansson | Sweden | 1:00.17 | Q |
| 8 | 4 | 3 | Maaike de Waard | Netherlands | 1:00.23 | Q |
| 9 | 4 | 5 | Anastasia Fesikova | Russia | 1:00.44 | Q |
| 10 | 6 | 6 | Katalin Burián | Hungary | 1:00.46 | Q |
| 11 | 6 | 5 | Anastasiya Shkurdai | Belarus | 1:00.54 | Q |
| 12 | 5 | 3 | Simona Kubová | Czech Republic | 1:00.56 | Q |
| 13 | 5 | 2 | Ingeborg Løyning | Norway | 1:00.71 | Q |
| 14 | 4 | 6 | Paulina Peda | Poland | 1:00.82 | Q |
| 15 | 4 | 7 | Nina Kost | Switzerland | 1:01.05 | Q |
| 16 | 5 | 7 | Mimosa Jallow | Finland | 1:01.11 | QSO |
| 16 | 6 | 8 | África Zamorano | Spain | 1:01.11 | QSO |
| 18 | 5 | 6 | Silvia Scalia | Italy | 1:01.12 | |
| 19 | 5 | 8 | Ekaterina Avramova | Turkey | 1:01.30 | |
| 20 | 5 | 0 | Rafaela Azevedo | Portugal | 1:01.32 | |
| 21 | 4 | 2 | Carlotta Zofkova | Italy | 1:01.45 | |
| 22 | 3 | 4 | Theodora Drakou | Greece | 1:01.51 | |
| 23 | 5 | 9 | Jenny Mensing | Germany | 1:01.52 | |
| 24 | 2 | 2 | Tatiana Salcuțan | Moldova | 1:01.64 | |
| 25 | 4 | 1 | Klaudia Naziębło | Poland | 1:01.77 | |
| 26 | 6 | 9 | Lena Grabowski | Austria | 1:01.82 | |
| 26 | 2 | 3 | Fanny Teijonsalo | Finland | 1:01.82 | |
| 28 | 3 | 3 | Ugnė Mažutaitytė | Lithuania | 1:01.93 | |
| 29 | 3 | 2 | Eszter Szabó-Feltóthy | Hungary | 1:01.99 | |
| 30 | 3 | 7 | Sudem Denizli | Turkey | 1:02.07 | |
| 30 | 4 | 8 | Alicia Wilson | Great Britain | 1:02.07 | |
| 32 | 4 | 0 | Daryna Zevina | Ukraine | 1:02.23 | |
| 33 | 5 | 1 | Gerda Szilágyi | Hungary | 1:02.28 | |
| 34 | 4 | 9 | Aviv Barzelay | Israel | 1:02.29 | |
| 35 | 3 | 9 | Hanna Rosvall | Sweden | 1:02.32 | |
| 36 | 3 | 1 | Mireia Pradell | Spain | 1:02.33 | |
| 37 | 3 | 5 | Jade Smits | Belgium | 1:02.56 | |
| 38 | 3 | 8 | Sonnele Öztürk | Germany | 1:02.94 | |
| 39 | 2 | 4 | Laura Bernat | Poland | 1:03.02 | |
| 40 | 6 | 0 | Caroline Pilhatsch | Austria | 1:03.05 | |
| 41 | 2 | 5 | Janja Segel | Slovenia | 1:03.19 | |
| 42 | 2 | 1 | Ioanna Sacha | Greece | 1:03.78 | |
| 43 | 2 | 8 | Mia Blazevska Eminova | North Macedonia | 1:04.59 | |
| 44 | 2 | 7 | Signhild Joensen | Faroe Islands | 1:04.72 | |
| 45 | 2 | 6 | Emma Marušáková | Slovakia | 1:05.26 | |
| 46 | 1 | 4 | Mia Krstevska | North Macedonia | 1:05.52 | |
| 47 | 1 | 5 | Teresa Ivanová | Slovakia | 1:05.76 | |
| 48 | 1 | 3 | Jona Beqiri | Kosovo | 1:10.98 | |
| | 2 | 0 | Mónica Ramírez | Andorra | Did not start | Did not start |
| | 3 | 0 | Anastasiya Kuliashova | Belarus | Did not start | Did not start |
| | 3 | 6 | Panna Ugrai | Hungary | Did not start | Did not start |
| | 6 | 1 | Alicja Tchórz | Poland | Did not start | Did not start |

#### Swim-off

The swim-off was held on 20 May at 12:20.
| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Mimosa Jallow | Finland | 1:00.31 | Q |
| 2 | 4 | África Zamorano | Spain | 1:01.16 | |

### Semifinals

The semifinals were held on 20 May at 18:12.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Kira Toussaint | Netherlands | 58.73 | Q, =CR |
| 2 | 5 | Margherita Panziera | Italy | 59.53 | Q |
| 3 | 3 | Cassie Wild | Great Britain | 59.75 | q |
| 4 | 6 | Maaike de Waard | Netherlands | 59.76 | q |
| 5 | 2 | Katalin Burián | Hungary | 1:00.18 | |
| 6 | 7 | Simona Kubová | Czech Republic | 1:00.43 | |
| 7 | 1 | Paulina Peda | Poland | 1:00.59 | |
| 8 | 8 | Mimosa Jallow | Finland | 1:00.82 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Kathleen Dawson | Great Britain | 58.44 | Q, CR |
| 2 | 5 | Maria Kameneva | Russia | 59.30 | Q |
| 3 | 3 | Anastasia Gorbenko | Israel | 59.78 | q, WD, NR |
| 4 | 2 | Anastasia Fesikova | Russia | 1:00.00 | q |
| 5 | 6 | Louise Hansson | Sweden | 1:00.04 | q |
| 6 | 1 | Ingeborg Løyning | Norway | 1:00.23 | NR |
| 7 | 8 | Nina Kost | Switzerland | 1:00.35 | |
| 8 | 7 | Anastasiya Shkurdai | Belarus | 1:00.52 | |

### Final
#### First race

The final was held on 21 May at 18:24. The race was then declared void after the Swedish protested that the speaker in lane 1 malfunctioned and Hansson was not able to hear the starting gun. A re-race was scheduled for 20:45.
| Lane | Name | Nationality | Time | Notes |
| 4 | Kathleen Dawson | Great Britain | 58.18 | CR |
| 5 | Kira Toussaint | Netherlands | 59.02 | |
| 3 | Maria Kameneva | Russia | 59.13 | |
| 6 | Margherita Panziera | Italy | 59.65 | |
| 2 | Cassie Wild | Great Britain | 59.82 | |
| 7 | Maaike de Waard | Netherlands | 1:00.33 | |
| 8 | Anastasia Fesikova | Russia | 1:00.33 | |
| 1 | Louise Hansson | Sweden | 1:02.29 | |

#### Re race

The final re race was held on 21 May at 20:45.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Kathleen Dawson | Great Britain | 58.49 |
| | 6 | Margherita Panziera | Italy | 59.01 |
| | 3 | Maria Kameneva | Russia | 59.22 |
| 4 | 5 | Kira Toussaint | Netherlands | 59.32 |
| 5 | 2 | Cassie Wild | Great Britain | 59.68 |
| 6 | 1 | Louise Hansson | Sweden | 1:00.04 |
| 7 | 8 | Anastasia Fesikova | Russia | 1:00.33 |
| 8 | 7 | Maaike de Waard | Netherlands | 1:00.64 |