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

This article is about the women's 100 metre butterfly event in swimming, at the 2013 World Aquatics Championships. The event took place on 28–29 July at the Palau Sant Jordi in Barcelona, Spain.

## Records

Prior to this competition, the existing world and championship records were:
| World record | Dana Vollmer (USA) | 55.98 | London, Great Britain | 29 July 2012 |
| Competition record | Sarah Sjöström (SWE) | 56.06 | Rome, Italy | 27 July 2009 |

## Results
### Heats

The heats were held at 10:00.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | 4 | Dana Vollmer | United States | 57.22 | Q |
| 2 | 6 | 5 | Sarah Sjöström | Sweden | 57.28 | Q |
| 3 | 6 | 3 | Katerine Savard | Canada | 57.31 | Q, NR |
| 4 | 5 | 4 | Alicia Coutts | Australia | 57.56 | Q |
| 5 | 5 | 5 | Jeanette Ottesen Gray | Denmark | 57.79 | Q |
| 6 | 6 | 6 | Noemie Thomas | Canada | 58.11 | Q |
| 7 | 4 | 5 | Ilaria Bianchi | Italy | 58.22 | Q |
| 8 | 5 | 6 | Brittany Elmslie | Australia | 58.27 | Q |
| 9 | 4 | 6 | Jemma Lowe | Great Britain | 58.38 | Q |
| 10 | 5 | 3 | Claire Donahue | United States | 58.58 | Q |
| 11 | 4 | 8 | Ingvild Snildal | Norway | 58.83 | Q |
| 12 | 4 | 4 | Lu Ying | China | 58.93 | Q |
| 13 | 6 | 2 | Tao Li | Singapore | 58.94 | Q |
| 14 | 5 | 8 | Evelyn Verrasztó | Hungary | 58.95 | Q |
| 15 | 5 | 0 | Daynara de Paula | Brazil | 59.16 | Q |
| 16 | 6 | 0 | Judit Ignacio Sorribes | Spain | 59.18 | QSO |
| 16 | 6 | 7 | Natsumi Hoshi | Japan | 59.18 | QSO |
| 18 | 4 | 3 | Jiao Liuyang | China | 59.21 | |
| 19 | 5 | 1 | Kimberly Buys | Belgium | 59.28 | |
| 19 | 5 | 2 | Svetlana Chimrova | Russia | 59.28 | |
| 21 | 6 | 8 | Katarína Listopadová | Slovakia | 59.34 | |
| 22 | 6 | 1 | Amit Ivry | Israel | 59.45 | |
| 23 | 4 | 1 | Sophia Batchelor | New Zealand | 59.46 | |
| 24 | 3 | 4 | Farida Osman | Egypt | 59.85 | |
| 25 | 4 | 0 | Elmira Aigaliyeva | Kazakhstan | 1:00.00 | |
| 26 | 5 | 7 | Louise Hansson | Sweden | 1:00.11 | |
| 27 | 4 | 2 | Kristel Vourna | Greece | 1:00.33 | |
| 28 | 4 | 7 | Emilia Pikkarainen | Finland | 1:00.47 | |
| 29 | 3 | 5 | Jessica Maria Camposano Rios | Colombia | 1:00.65 | |
| 30 | 4 | 9 | Marne Erasmus | South Africa | 1:00.73 | |
| 31 | 6 | 9 | Park Jin-Young | South Korea | 1:00.78 | |
| 32 | 5 | 9 | Sze Hang Yu | Hong Kong | 1:01.01 | |
| 33 | 3 | 6 | İris Rosenberger | Turkey | 1:01.35 | |
| 34 | 3 | 3 | Cheng Wan-jung | Chinese Taipei | 1:01.61 | |
| 35 | 3 | 2 | Jasmine Alkhaldi | Philippines | 1:01.71 | |
| 36 | 3 | 1 | Loreen Whitfield | American Samoa | 1:02.50 | |
| 37 | 2 | 7 | Dorian McMenemy | Dominican Republic | 1:03.53 | |
| 38 | 2 | 4 | Marie Laura Meza | Costa Rica | 1:03.63 | |
| 39 | 3 | 8 | Monalisa Arieswati | Indonesia | 1:03.93 | |
| 40 | 2 | 6 | Dalia Tórrez Zamora | Nicaragua | 1:04.43 | |
| 41 | 2 | 2 | Poula Øssursdóttir Mohr | Faroe Islands | 1:04.58 | |
| 42 | 3 | 7 | Barbara Caraballo | Puerto Rico | 1:04.65 | |
| 43 | 3 | 0 | Caroline Puamau | Fiji | 1:04.72 | |
| 44 | 1 | 3 | Pooja Alva | India | 1:05.70 | |
| 45 | 2 | 1 | Ana Nobrega | Angola | 1:06.55 | |
| 46 | 2 | 3 | Noel Borshi | Albania | 1:06.77 | |
| 47 | 2 | 8 | María José Ribera Pinto | Bolivia | 1:07.02 | |
| 48 | 2 | 0 | Emily Mueti | Kenya | 1:07.37 | |
| 49 | 2 | 5 | Amboaratiana Domoinannava | Madagascar | 1:09.30 | |
| 50 | 3 | 9 | Johanna Umurungi | Rwanda | 1:10.41 | |
| 51 | 2 | 9 | Su Moe Theint San | Myanmar | 1:10.62 | |
| 52 | 1 | 4 | Afsana Ismayilova | Azerbaijan | 1:16.58 | |
| 53 | 1 | 5 | Charissa Panuve | Tonga | 1:21.78 | |

#### Swim-off

The swim-off was held at 12:09.
| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Natsumi Hoshi | Japan | 58.83 | Q |
| 2 | 5 | Judit Ignacio Sorribes | Spain | 58.87 | |

### Semifinals

The semifinals were held at 18:02.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Sarah Sjöström | Sweden | 57.10 | Q |
| 2 | 5 | Alicia Coutts | Australia | 57.49 | Q |
| 3 | 3 | Noemie Thomas | Canada | 57.99 | Q |
| 4 | 2 | Claire Donahue | United States | 58.44 | Q |
| 5 | 6 | Brittany Elmslie | Australia | 58.56 | |
| 6 | 7 | Lu Ying | China | 58.67 | |
| 7 | 1 | Evelyn Verrasztó | Hungary | 58.74 | |
| 8 | 8 | Natsumi Hoshi | Japan | 59.42 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | Jeanette Ottesen Gray | Denmark | 57.19 | Q |
| 2 | 4 | Dana Vollmer | United States | 57.84 | Q |
| 3 | 5 | Katerine Savard | Canada | 58.00 | Q |
| 4 | 6 | Ilaria Bianchi | Italy | 58.29 | Q |
| 5 | 2 | Jemma Lowe | Great Britain | 58.46 | |
| 6 | 7 | Ingvild Snildal | Norway | 58.84 | |
| 7 | 1 | Tao Li | Singapore | 59.02 | |
| 8 | 8 | Daynara de Paula | Brazil | 59.04 | |

### Final

The final was held at 18:10.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Sarah Sjöström | Sweden | 56.53 |
| | 3 | Alicia Coutts | Australia | 56.97 |
| | 6 | Dana Vollmer | United States | 57.24 |
| 4 | 5 | Jeanette Ottesen Gray | Denmark | 57.27 |
| 5 | 7 | Katerine Savard | Canada | 57.97 |
| 6 | 1 | Ilaria Bianchi | Italy | 58.11 |
| 7 | 2 | Noemie Thomas | Canada | 58.13 |
| 8 | 8 | Claire Donahue | United States | 58.30 |