# Swimming at the 2013 World Aquatics Championships – Women's 100 metre backstroke

The women's 100 metre backstroke event in swimming at the 2013 World Aquatics Championships took place on 29–30 July at the Palau Sant Jordi in Barcelona, Spain.

## Records

Prior to this competition, the existing world and championship records were:
| World record | Gemma Spofforth (GBR) | 58.12 | Rome, Italy | 28 July 2009 |
| Competition record | Gemma Spofforth (GBR) | 58.12 | Rome, Italy | 28 July 2009 |

## Results
### Heats

The heats were held at 10:00.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | 4 | Missy Franklin | United States | 59.13 | Q |
| 2 | 4 | 6 | Katinka Hosszú | Hungary | 59.40 | Q, NR, WD |
| 3 | 5 | 5 | Elizabeth Pelton | United States | 59.94 | Q |
| 4 | 3 | 5 | Fu Yuanhui | China | 1:00.01 | Q |
| 5 | 5 | 4 | Emily Seebohm | Australia | 1:00.02 | Q |
| 6 | 4 | 3 | Simona Baumrtová | Czech Republic | 1:00.05 | Q |
| 7 | 3 | 4 | Aya Terakawa | Japan | 1:00.09 | Q |
| 8 | 5 | 3 | Sinead Russell | Canada | 1:00.17 | Q |
| 9 | 4 | 5 | Belinda Hocking | Australia | 1:00.39 | Q |
| 10 | 5 | 2 | Daryna Zevina | Ukraine | 1:00.43 | Q |
| 11 | 4 | 2 | Cloe Credeville | France | 1:00.70 | Q |
| 12 | 3 | 6 | Duane Da Rocha | Spain | 1:00.80 | Q |
| 13 | 4 | 7 | Zhou Yanxin | China | 1:00.99 | Q |
| 14 | 3 | 1 | Mercedes Peris | Spain | 1:01.19 | Q |
| 15 | 3 | 3 | Lauren Quigley | Great Britain | 1:01.23 | Q |
| 16 | 3 | 0 | Karin Prinsloo | South Africa | 1:01.25 | Q |
| 17 | 4 | 1 | Kimberly Buys | Belgium | 1:01.35 | Q |
| 18 | 5 | 0 | Carolina Colorado Henao | Colombia | 1:01.41 | |
| 19 | 5 | 6 | Georgia Davies | Great Britain | 1:01.61 | |
| 20 | 5 | 1 | Eygló Ósk Gústafsdóttir | Iceland | 1:01.71 | |
| 21 | 3 | 7 | Etiene Medeiros | Brazil | 1:01.75 | |
| 22 | 5 | 9 | Klaudia Nazieblo | Poland | 1:01.77 | |
| 23 | 5 | 8 | María Fernanda González | Mexico | 1:01.84 | |
| 24 | 1 | 9 | Daria Ustinova | Russia | 1:02.04 | |
| 25 | 2 | 5 | Stephanie Au | Hong Kong | 1:02.10 | |
| 26 | 2 | 6 | Gisela Morales | Guatemala | 1:02.12 | |
| 27 | 3 | 9 | Yekaterina Rudenko | Kazakhstan | 1:02.49 | |
| 28 | 3 | 2 | Sayaka Akase | Japan | 1:02.51 | |
| 29 | 4 | 9 | Ekaterina Avramova | Bulgaria | 1:02.79 | |
| 30 | 2 | 4 | Halime Zeren | Turkey | 1:02.91 | |
| 31 | 4 | 8 | Selina Hocke | Germany | 1:02.94 | |
| 32 | 5 | 7 | Kristina Steins | Canada | 1:03.15 | |
| 33 | 3 | 8 | Tao Li | Singapore | 1:03.31 | |
| 34 | 2 | 8 | Zanre Oberholzer | Namibia | 1:03.36 | |
| 35 | 2 | 3 | Yulduz Kuchkarova | Uzbekistan | 1:03.54 | |
| 36 | 2 | 9 | Tatiana Perstniova | Moldova | 1:03.59 | |
| 37 | 4 | 0 | Kim Ji-Hyun | South Korea | 1:04.66 | |
| 38 | 2 | 1 | Karen Vilorio | Honduras | 1:04.79 | |
| 39 | 2 | 2 | McKayla Lightbourn | Bahamas | 1:04.97 | |
| 40 | 2 | 0 | Birita Debes | Faroe Islands | 1:05.64 | NR |
| 41 | 2 | 7 | Inés Remersaro | Uruguay | 1:06.70 | |
| 42 | 1 | 4 | Siona Huxley | Saint Lucia | 1:09.05 | |
| 43 | 1 | 3 | Evelina Afoa | Samoa | 1:09.11 | |
| 44 | 1 | 5 | Kuan Weng I | Macau | 1:09.70 | |
| 44 | 1 | 6 | Nadeera Jayasekera | Sri Lanka | 1:09.70 | |
| 46 | 1 | 7 | Caylee Watson | Virgin Islands | 1:09.90 | NR |
| 47 | 1 | 2 | Elvira Hasanova | Azerbaijan | 1:10.47 | |
| 48 | 1 | 8 | Nur Hamizah Ahmad | Brunei | 1:13.25 | |
| 49 | 1 | 1 | Altansukh Nomin | Mongolia | 1:18.95 | |
| 50 | 1 | 0 | Vivie Geneva Chamberlain | Laos | 1:29.16 | |

### Semifinals

The semifinals were held at 18:55.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Emily Seebohm | Australia | 59.38 | Q |
| 2 | 4 | Elizabeth Pelton | United States | 59.44 | Q |
| 3 | 3 | Aya Terakawa | Japan | 59.80 | Q |
| 4 | 6 | Belinda Hocking | Australia | 1:00.24 | Q |
| 5 | 7 | Zhou Yanxin | China | 1:00.85 | |
| 6 | 1 | Lauren Quigley | Great Britain | 1:00.96 | |
| 7 | 2 | Cloe Credeville | France | 1:01.16 | |
| 8 | 8 | Kimberly Buys | Belgium | 1:01.24 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Missy Franklin | United States | 59.31 | Q |
| 2 | 5 | Fu Yuanhui | China | 59.82 | Q |
| 3 | 2 | Daryna Zevina | Ukraine | 59.90 | Q, NR |
| 4 | 3 | Simona Baumrtová | Czech Republic | 59.99 | Q, =NR |
| 5 | 6 | Sinead Russell | Canada | 1:00.37 | |
| 6 | 7 | Duane Da Rocha | Spain | 1:00.53 | |
| 7 | 8 | Karin Prinsloo | South Africa | 1:01.05 | |
| 8 | 1 | Mercedes Peris | Spain | 1:01.59 | |

### Final

The final was held at 18:10.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Missy Franklin | United States | 58.42 | |
| | 5 | Emily Seebohm | Australia | 59.06 | |
| | 6 | Aya Terakawa | Japan | 59.23 | |
| 4 | 3 | Elizabeth Pelton | United States | 59.45 | |
| 5 | 2 | Fu Yuanhui | China | 59.61 | |
| 6 | 1 | Simona Baumrtová | Czech Republic | 59.84 | NR |
| 7 | 7 | Daryna Zevina | Ukraine | 1:00.16 | |
| 8 | 8 | Belinda Hocking | Australia | 1:00.29 | |