# Swimming at the 2017 World Aquatics Championships – Women's 200 metre backstroke

The Women's 200 metre backstroke competition at the 2017 World Championships was held on 28 and 29 July 2017.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Missy Franklin (USA) | 2:04.06 | London, Great Britain | 3 August 2012 |
| Competition record | Missy Franklin (USA) | 2:04.76 | Barcelona, Spain | 3 August 2013 |

## Results
### Heats

The heats were held on 28 July at 10:31.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 4 | Kathleen Baker | United States | 2:06.82 | Q |
| 2 | 4 | 4 | Katinka Hosszú | Hungary | 2:07.30 | Q |
| 3 | 2 | 4 | Emily Seebohm | Australia | 2:07.94 | Q |
| 4 | 3 | 6 | Regan Smith | United States | 2:08.13 | Q |
| 5 | 2 | 5 | Kylie Masse | Canada | 2:08.30 | Q |
| 6 | 3 | 5 | Hilary Caldwell | Canada | 2:08.32 | Q |
| 7 | 4 | 3 | Daryna Zevina | Ukraine | 2:09.16 | Q |
| 8 | 4 | 2 | Kaylee McKeown | Australia | 2:09.42 | Q |
| 9 | 4 | 7 | Margherita Panziera | Italy | 2:09.43 | Q |
| 10 | 3 | 7 | África Zamorano | Spain | 2:09.70 | Q |
| 11 | 4 | 6 | Katalin Burián | Hungary | 2:09.86 | Q |
| 12 | 4 | 5 | Daria Ustinova | Russia | 2:09.99 | Q |
| 13 | 2 | 3 | Lisa Graf | Germany | 2:10.10 | Q |
| 14 | 3 | 3 | Liu Yaxin | China | 2:10.59 | Q |
| 15 | 2 | 7 | Tatiana Salcutan | Moldova | 2:11.17 | Q |
| 16 | 3 | 2 | Claudia Lau | Hong Kong | 2:11.67 | Q |
| 17 | 4 | 1 | Simona Baumrtová | Czech Republic | 2:11.80 | |
| 18 | 2 | 6 | Chen Jie | China | 2:11.88 | |
| 19 | 2 | 1 | Klaudia Naziębło | Poland | 2:12.25 | |
| 20 | 3 | 1 | Kim Seo-yeong | South Korea | 2:13.26 | |
| 21 | 2 | 2 | Rosie Rudin | Great Britain | 2:13.27 | |
| 22 | 2 | 8 | Ugnė Mažutaitytė | Lithuania | 2:14.07 | |
| 23 | 4 | 0 | Martina van Berkel | Switzerland | 2:14.34 | |
| 24 | 3 | 8 | Bobbi Gichard | New Zealand | 2:15.97 | |
| 25 | 3 | 0 | Karolina Hájková | Slovakia | 2:16.42 | |
| 26 | 2 | 9 | Fernanda González | Mexico | 2:17.03 | |
| 27 | 3 | 9 | Samantha Randle | South Africa | 2:17.14 | |
| 28 | 4 | 9 | Gabriela Georgieva | Bulgaria | 2:18.69 | |
| 29 | 2 | 0 | Signhild Joensen | Faroe Islands | 2:19.11 | |
| 30 | 1 | 4 | Celina Marquez | El Salvador | 2:22.73 | |
| 31 | 1 | 5 | Claudia Verdino | Monaco | 2:29.27 | |
| 32 | 1 | 3 | Osisang Chilton | Palau | 2:46.60 | |
| | 4 | 8 | Ekaterina Avramova | Turkey | DNS | DNS |

### Semifinals

The semifinals were held on 28 July at 17:49.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 7 | Daria Ustinova | Russia | 2:07.08 | Q |
| 2 | 5 | Regan Smith | United States | 2:07.19 | Q, WJ |
| 3 | 6 | Kaylee McKeown | Australia | 2:07.40 | Q |
| 4 | 4 | Katinka Hosszú | Hungary | 2:07.51 | Q |
| 5 | 3 | Hilary Caldwell | Canada | 2:07.64 | Q |
| 6 | 1 | Liu Yaxin | China | 2:09.02 | |
| 7 | 2 | África Zamorano | Spain | 2:09.73 | |
| 8 | 8 | Claudia Lau | Hong Kong | 2:14.82 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Emily Seebohm | Australia | 2:05.81 | Q, =OC |
| 2 | 3 | Kylie Masse | Canada | 2:05.97 | Q, NR |
| 3 | 4 | Kathleen Baker | United States | 2:06.66 | Q |
| 4 | 6 | Daryna Zevina | Ukraine | 2:08.30 | |
| 5 | 7 | Katalin Burián | Hungary | 2:08.65 | |
| 6 | 1 | Lisa Graf | Germany | 2:09.00 | |
| 7 | 2 | Margherita Panziera | Italy | 2:10.95 | |
| 8 | 8 | Tatiana Salcutan | Moldova | 2:11.27 | |

### Final

The final was held on 29 July at 17:47.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Emily Seebohm | Australia | 2:05.68 | OC |
| | 1 | Katinka Hosszú | Hungary | 2:05.85 | NR |
| | 3 | Kathleen Baker | United States | 2:06.48 | |
| 4 | 7 | Kaylee McKeown | Australia | 2:06.76 | WJ |
| 5 | 5 | Kylie Masse | Canada | 2:07.04 | |
| 6 | 8 | Hilary Caldwell | Canada | 2:07.15 | |
| 7 | 6 | Daria Ustinova | Russia | 2:07.35 | |
| 8 | 2 | Regan Smith | United States | 2:07.42 | |