# Swimming at the 2024 European Aquatics Championships – Women's 100 metre breaststroke

The Women's 100 metre breaststroke competition of the 2024 European Aquatics Championships was held on 18 and 19 June 2024.

## Records

Prior to the competition, the existing world, European and championship records were as follows.
| | Name | Nation | Time | Location | Date |
| World record | Lilly King | United States | 1:04.13 | Budapest | 25 July 2017 |
| European record | Rūta Meilutytė | Lithuania | 1:04.35 | Barcelona | 29 July 2013 |
| Championship record | Yuliya Efimova | Russia | 1:05.53 | Glasgow | 5 August 2018 |

## Results
### Heats

The heats were started on 18 June at 10:00. Qualification Rules: The 16 fastest from the heats qualify to semifinals.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | 5 | Anastasia Gorbenko | Israel | 1:06.15 | Q |
| 2 | 4 | 4 | Eneli Jefimova | Estonia | 1:06.67 | Q |
| 3 | 2 | 4 | Lisa Mamié | Switzerland | 1:07.19 | Q |
| 4 | 3 | 5 | Olivia Klint Ipsa | Sweden | 1:07.48 | Q |
| 5 | 3 | 3 | Maria Romanjuk | Estonia | 1:07.95 | Q |
| 6 | 3 | 4 | Dominika Sztandera | Poland | 1:08.17 | Q |
| 7 | 3 | 1 | Kristýna Horská | Czech Republic | 1:08.25 | Q |
| 8 | 4 | 2 | Tina Celik | Slovenia | 1:08.36 | Q |
| 9 | 3 | 2 | Ana Blažević | Croatia | 1:08.76 | Q |
| 10 | 2 | 6 | Leah Schlosshan | United Kingdom | 1:08.92 | Q |
| 11 | 4 | 3 | Clara Rybak-Andersen | Denmark | 1:09.04 | Q |
| 12 | 4 | 6 | Niamh Coyne | Ireland | 1:09.06 | Q |
| 13 | 2 | 5 | Ida Hulkko | Finland | 1:09.07 | Q |
| 14 | 3 | 7 | Emelie Fast | Sweden | 1:09.11 | Q |
| 15 | 3 | 6 | Ana Rodrigues | Portugal | 1:09.15 | Q |
| 16 | 2 | 8 | Teya Nikolova | Bulgaria | 1:09.22 | Q |
| 17 | 2 | 2 | Eszter Békési | Hungary | 1:09.43 | |
| 18 | 2 | 3 | Andrea Podmaníková | Slovakia | 1:09.48 | |
| 19 | 2 | 1 | Ellie McCartney | Ireland | 1:09.53 | |
| 20 | 4 | 0 | Eleni Kontogeorgou | Greece | 1:09.79 | |
| 21 | 1 | 4 | Veera Kivirinta | Finland | 1:09.88 | |
| 22 | 4 | 7 | Chara Angelaki | Greece | 1:09.93 | |
| 23 | 2 | 0 | Nikoleta Trníková | Slovakia | 1:10.37 | |
| 24 | 4 | 1 | Martina Bukvić | Serbia | 1:10.38 | |
| 25 | 2 | 7 | Silje Rongevær Slyngstadli | Norway | 1:10.81 | |
| 26 | 4 | 8 | Klara Thormalm | Sweden | 1:10.88 | |
| 27 | 3 | 0 | Anna Munk Fuglsang | Denmark | 1:11.10 | |
| 28 | 4 | 9 | Anniina Murto | Finland | 1:11.37 | |
| 29 | 3 | 9 | Kiia Metsäkonkola | Finland | 1:11.94 | |
| 30 | 2 | 9 | Nadia Tudo | Andorra | 1:12.59 | |
| 31 | 1 | 3 | Stella Gjoka | Albania | 1:15.00 | |
| 32 | 1 | 5 | Birgitta Ingólfsdóttir | Iceland | 1:15.34 | |
| | 3 | 8 | Diana Petkova | Bulgaria | Disqualified | Disqualified |

### Semifinals

The semifinals were started on 18 June at 18:54. Qualification Rules: The 8 fastest from the heats qualify to the final.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Eneli Jefimova | Estonia | 1:06.60 | Q |
| 2 | 2 | 5 | Olivia Klint Ipsa | Sweden | 1:06.92 | Q |
| 3 | 1 | 4 | Lisa Mamié | Switzerland | 1:07.32 | Q |
| 4 | 2 | 3 | Dominika Sztandera | Poland | 1:07.35 | Q |
| 5 | 1 | 3 | Kristýna Horská | Czech Republic | 1:07.72 | Q |
| 6 | 1 | 5 | Maria Romanjuk | Estonia | 1:08.00 | Q |
| 7 | 2 | 2 | Leah Schlosshan | Great Britain | 1:08.35 | Q |
| 8 | 1 | 8 | Andrea Podmaníková | Slovakia | 1:08.72 | Q |
| 9 | 1 | 6 | Ana Blažević | Croatia | 1:08.83 | |
| 10 | 1 | 7 | Ida Hulkko | Finland | 1:08.91 | |
| 11 | 2 | 8 | Teya Nikolova | Bulgaria | 1:08.95 | |
| 12 | 2 | 1 | Emelie Fast | Sweden | 1:09.04 | |
| 13 | 2 | 7 | Niamh Coyne | Ireland | 1:09.07 | |
| 14 | 1 | 1 | Ana Rodrigues | Portugal | 1:09.17 | |
| 15 | 2 | 6 | Tina Celik | Slovenia | 1:09.23 | |
| 16 | 1 | 2 | Clara Rybak-Andersen | Denmark | 1:09.48 | |

### Final

The final was held on 19 June at 18:58.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Eneli Jefimova | Estonia | 1:06.41 |
| | 3 | Lisa Mamié | Switzerland | 1:07.15 |
| | 6 | Olivia Klint Ipsa | Sweden | 1:07.73 |
| 4 | 5 | Dominika Sztandera | Poland | 1:07.75 |
| 5 | 7 | Maria Romanjuk | Estonia | 1:08.22 |
| 6 | 1 | Ida Hulkko | Finland | 1:08.94 |
| 7 | 8 | Ana Blažević | Croatia | 1:09.25 |
| 8 | 2 | Andrea Podmaníková | Slovakia | 1:09.27 |