# Swimming at the 2012 European Aquatics Championships – Women's 100 metre breaststroke

The women's 100 metre breaststroke competition of the swimming events at the 2012 European Aquatics Championships took place May 22 and 23. The heats and semifinals took place on May 22, the final on May 23.

## Records

Prior to the competition, the existing world, European and championship records were as follows.
| | Name | Nation | Time | Location | Date |
| World record | Jessica Hardy | United States | 1:04.45 | Federal Way | August 7, 2009 |
| European record | Yuliya Efimova | Russia | 1:05.41 | Rome | July 28, 2009 |
| Championship record | Yuliya Efimova | Russia | 1:06.32 | Budapest | August 11, 2010 |

## Results
### Heats

49 swimmers participated in 7 heats.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 7 | 3 | Caroline Ruhnau | Germany | 1:07.85 | Q |
| 2 | 6 | 4 | Sarah Poewe | Germany | 1:08.05 | Q |
| 3 | 6 | 6 | Sycerika McMahon | Ireland | 1:08.37 | Q, NR |
| 4 | 7 | 4 | Jennie Johansson | Sweden | 1:08.38 | Q |
| 5 | 6 | 3 | Petra Chocová | Czech Republic | 1:08.58 | Q |
| 6 | 7 | 5 | Concepcion Badillo Diaz | Spain | 1:08.75 | Q |
| 7 | 5 | 7 | Martina Moravciková | Czech Republic | 1:08.92 | Q |
| 8 | 5 | 5 | Marina Garcia Urzainqui | Spain | 1:09.17 | Q |
| 9 | 7 | 6 | Valentina Artemyeva | Russia | 1:09.35 | Q |
| 10 | 4 | 5 | Katharina Stiberg | Norway | 1:09.65 | Q |
| 11 | 6 | 8 | Hrafnhildur Lúthersdóttir | Iceland | 1:09.66 | Q |
| 12 | 5 | 2 | Chiara Boggiatto | Italy | 1:09.67 | Q |
| 13 | 7 | 7 | Dilara Buse Günaydin | Turkey | 1:09.67 | Q |
| 14 | 5 | 8 | Tanja Šmid | Slovenia | 1:09.98 | Q |
| 15 | 5 | 6 | Fiona Doyle | Ireland | 1:10.16 | Q |
| 16 | 4 | 6 | Mariya Liver | Ukraine | 1:10.21 | Q |
| 17 | 6 | 5 | Joline Höstman | Sweden | 1:10.23 | |
| 18 | 7 | 1 | Anna Sztankovics | Hungary | 1:10.37 | |
| 19 | 4 | 3 | Sara Nordenstam | Norway | 1:10.39 | |
| 20 | 7 | 2 | Vanessa Grimberg | Germany | 1:10.46 | |
| 21 | 5 | 3 | Sophie Allen | Great Britain | 1:10.56 | |
| 22 | 2 | 2 | Brigitta Gregus | Hungary | 1:10.59 | |
| 23 | 6 | 2 | Irina Novikova | Russia | 1:10.61 | |
| 24 | 5 | 4 | Lisa Fissneider | Italy | 1:10.69 | |
| 25 | 5 | 1 | Fanny Lecluyse | Belgium | 1:10.82 | |
| 26 | 2 | 5 | Alona Ribakova | Latvia | 1:10.83 | NR |
| 26 | 3 | 4 | Ganna Dzerkal | Ukraine | 1:10.83 | |
| 28 | 7 | 8 | Fanny Babou | France | 1:10.88 | |
| 29 | 4 | 4 | Ana Pinho Rodrigues | Portugal | 1:10.91 | |
| 30 | 6 | 7 | Tjasa Vozel | Slovenia | 1:10.93 | |
| 31 | 3 | 6 | Raminta Dvariškytė | Lithuania | 1:11.07 | |
| 32 | 1 | 5 | Ivana Ninković | Bosnia and Herzegovina | 1:11.19 | NR |
| 33 | 3 | 8 | Anastasia Christoforou | Cyprus | 1:11.34 | |
| 34 | 4 | 8 | Zuzana Mimovicová | Slovakia | 1:11.65 | |
| 35 | 2 | 4 | Anastasiya Malyavina | Ukraine | 1:11.94 | |
| 35 | 3 | 3 | Erla Dögg Haraldsdóttir | Iceland | 1:11.94 | |
| 37 | 4 | 2 | Mario Georgia Michalaka | Greece | 1:11.98 | |
| 38 | 4 | 1 | Ewa Scieszko | Poland | 1:12.12 | |
| 39 | 3 | 7 | Shani Stallard | Ireland | 1:12.28 | |
| 40 | 4 | 7 | Tatiana Chisca | Moldova | 1:12.30 | |
| 41 | 3 | 5 | Evghenia Tanasienco | Moldova | 1:12.33 | |
| 42 | 2 | 7 | Dorottya Bíró | Hungary | 1:12.70 | |
| 43 | 3 | 2 | Helena Pikhartová | Czech Republic | 1:12.84 | |
| 44 | 2 | 6 | Sandra Swierczewska | Austria | 1:13.14 | |
| 45 | 2 | 3 | Evelina Aizpuriete | Latvia | 1:13.23 | |
| 46 | 1 | 4 | Vangelina Draganova | Bulgaria | 1:13.89 | |
| 47 | 1 | 3 | Maria Harutjunjan | Estonia | 1:14.22 | |
| | 6 | 1 | Jenna Laukkanen | Finland | DSQ | |
| | 3 | 1 | Ceren Dilek | Turkey | DSQ | |

### Semifinals

The eight fasters swimmers advanced to the final.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Jennie Johansson | Sweden | 1:07.65 | Q |
| 2 | 4 | Sarah Poewe | Germany | 1:07.70 | Q |
| 3 | 6 | Marina Garcia Urzainqui | Spain | 1:08.08 | Q |
| 4 | 3 | Concepcion Badilla Diaz | Spain | 1:08.40 | Q |
| 5 | 7 | Chiara Boggiatto | Italy | 1:08.87 | Q |
| 6 | 8 | Mariya Liver | Ukraine | 1:09.22 | |
| 7 | 1 | Katharina Stiberg | Norway | 1:09.44 | |
| | 2 | Tanja Šmid | Slovenia | | DSQ |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Caroline Ruhnau | Germany | 1:08.01 | Q |
| 2 | 5 | Sycerika McMahon | Ireland | 1:08.37 | Q, NR |
| 3 | 6 | Martina Moravciková | Czech Republic | 1:08.93 | Q |
| 4 | 3 | Petra Chocová | Czech Republic | 1:09.00 | |
| 5 | 8 | Fiona Doyle | Ireland | 1:09.68 | |
| 6 | 2 | Valentina Artemyeva | Russia | 1:09.76 | |
| 7 | 7 | Hrafnhildur Lúthersdóttir | Iceland | 1:10.06 | |
| 8 | 1 | Dilara Buse Günaydin | Turkey | 1:10.32 | |

### Final

The final was held at 17.52.
| Rank | Lane | Name | Nationality | Time |
| | 5 | Sarah Poewe | Germany | 1:07.33 |
| | 4 | Jennie Johansson | Sweden | 1:07.85 |
| | 6 | Marina Garcia Urzainqui | Spain | 1:07.91 |
| 4 | 3 | Caroline Ruhnau | Germany | 1:07.95 |
| 5 | 2 | Sycerika McMahon | Ireland | 1:08.72 |
| 6 | 7 | Concepcion Badilla Diaz | Spain | 1:08.76 |
| 7 | 1 | Chiara Boggiatto | Italy | 1:08.82 |
| 8 | 8 | Martina Moravciková | Czech Republic | 1:08.87 |