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

The Women's 200 metre breaststroke competition at the 2017 World Championships was held on 27 and 28 July 2017.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Rikke Møller Pedersen (DEN) | 2:19.11 | Barcelona, Spain | 1 August 2013 |
| Competition record | Rikke Møller Pedersen (DEN) | 2:19.11 | Barcelona, Spain | 1 August 2013 |

## Results
### Heats

The heats were held on 27 July at 10:10.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 3 | Molly Renshaw | Great Britain | 2:24.03 | Q |
| 2 | 4 | 5 | Lilly King | United States | 2:24.28 | Q |
| 3 | 3 | 4 | Taylor McKeown | Australia | 2:24.31 | Q |
| 4 | 2 | 3 | Jessica Vall | Spain | 2:24.41 | Q |
| 5 | 2 | 5 | Bethany Galat | United States | 2:24.56 | Q |
| 6 | 3 | 6 | Kierra Smith | Canada | 2:24.57 | Q |
| 7 | 2 | 4 | Rikke Møller Pedersen | Denmark | 2:24.69 | Q |
| 8 | 4 | 7 | Martina Moravčíková | Czech Republic | 2:25.26 | Q, NR |
| 9 | 2 | 2 | Ashley McGregor | Canada | 2:25.31 | Q |
| 10 | 4 | 3 | Shi Jinglin | China | 2:25.39 | Q |
| 11 | 4 | 4 | Yuliya Yefimova | Russia | 2:25.63 | Q |
| 12 | 4 | 6 | Reona Aoki | Japan | 2:25.93 | Q |
| 13 | 3 | 7 | Back Su-yeon | South Korea | 2:26.45 | Q |
| 14 | 3 | 5 | Jocelyn Ulyett | Great Britain | 2:26.50 | Q |
| 15 | 3 | 2 | Satomi Suzuki | Japan | 2:26.78 | Q |
| 16 | 4 | 2 | Jenna Laukkanen | Finland | 2:28.59 | Q |
| 17 | 2 | 6 | Viktoriya Zeynep Güneş | Turkey | 2:28.68 | |
| 18 | 2 | 1 | Esther González | Mexico | 2:28.71 | |
| 19 | 4 | 8 | Sophie Hansson | Sweden | 2:28.81 | |
| 20 | 3 | 1 | Victoria Kaminskaya | Portugal | 2:29.18 | |
| 21 | 4 | 1 | Macarena Ceballos | Argentina | 2:29.34 | |
| 22 | 2 | 7 | Dalma Sebestyén | Hungary | 2:29.35 | |
| 23 | 3 | 0 | Kaylene Corbett | South Africa | 2:31.36 | |
| 24 | 3 | 8 | Andrea Podmaníková | Slovakia | 2:32.63 | |
| 25 | 4 | 0 | Natasha Lloyd | New Zealand | 2:33.93 | |
| 26 | 2 | 0 | Mercedes Toledo | Venezuela | 2:35.20 | |
| 27 | 2 | 8 | Rebecca Kamau | Kenya | 2:36.99 | |
| 28 | 3 | 9 | Alina Bulmag | Moldova | 2:37.42 | |
| 29 | 4 | 9 | Alexandra Schegoleva | Cyprus | 2:38.60 | |
| 30 | 1 | 2 | Nguyễn Thị Nhất Lam | Vietnam | 2:45.25 | |
| 31 | 1 | 3 | Honia Ibrahim | Iraq | 2:45.37 | |
| 32 | 1 | 5 | Rusudan Goginashvili | Georgia | 2:45.52 | |
| 33 | 1 | 4 | Kiah Borg | Namibia | 2:48.48 | |
| 34 | 2 | 9 | Nawapas Pisanuwong | Thailand | 2:49.09 | |
| 35 | 1 | 7 | Kristina Panasenko | Kyrgyzstan | 2:52.53 | |
| 36 | 1 | 6 | Tilali Scanlan | American Samoa | 3:04.65 | |

### Semifinals

The semifinals were held on 27 July at 18:50.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | Shi Jinglin | China | 2:23.17 | Q |
| 2 | 3 | Kierra Smith | Canada | 2:23.18 | Q |
| 3 | 5 | Jessica Vall | Spain | 2:23.49 | Q |
| 4 | 4 | Lilly King | United States | 2:23.81 | Q |
| 5 | 1 | Jocelyn Ulyett | Great Britain | 2:23.82 | |
| 6 | 7 | Reona Aoki | Japan | 2:24.42 | |
| 7 | 6 | Martina Moravčíková | Czech Republic | 2:25.67 | |
| 8 | 8 | Jenna Laukkanen | Finland | 2:27.77 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 7 | Yuliya Yefimova | Russia | 2:21.49 | Q |
| 2 | 3 | Bethany Galat | United States | 2:21.86 | Q |
| 3 | 5 | Taylor McKeown | Australia | 2:22.10 | Q |
| 4 | 4 | Molly Renshaw | Great Britain | 2:23.51 | Q |
| 5 | 6 | Rikke Møller Pedersen | Denmark | 2:24.51 | |
| 6 | 8 | Satomi Suzuki | Japan | 2:25.60 | |
| 7 | 2 | Ashley McGregor | Canada | 2:25.75 | |
| 8 | 1 | Back Su-yeon | South Korea | 2:26.37 | |

### Final

The final was held on 28 July at 18:25.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Yuliya Yefimova | Russia | 2:19.64 |
| | 5 | Bethany Galat | United States | 2:21.77 |
| | 6 | Shi Jinglin | China | 2:21.93 |
| 4 | 8 | Lilly King | United States | 2:22.11 |
| 5 | 2 | Kierra Smith | Canada | 2:22.23 |
| 6 | 1 | Molly Renshaw | Great Britain | 2:22.96 |
| 7 | 3 | Taylor McKeown | Australia | 2:23.06 |
| 8 | 7 | Jessica Vall | Spain | 2:23.29 |