# 2024 World Aquatics Swimming Championships (25 m) – Women's 100 metre breaststroke

The Women's 100 metre breaststroke competition of the 2024 World Aquatics Swimming Championships (25 m) was held on 11 and 12 December 2024.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Rūta Meilutytė (LTU) Alia Atkinson (JAM) Alia Atkinson (JAM) | 1:02.36 | Moscow, RussiaDoha, QatarChartres, France | 12 October 20136 December 201426 August 2016 |
| Competition record | Alia Atkinson (JAM) | 1:02.36 | Doha, Qatar | 6 December 2014 |

## Results
### Heats

The heats were started on 11 December at 9:52.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | 7 | Angharad Evans | Great Britain | 1:03.45 | Q, NR |
| 2 | 7 | 7 | Lilly King | United States | 1:03.50 | Q |
| 3 | 7 | 4 | Tang Qianting | China | 1:03.52 | Q |
| 4 | 6 | 3 | Rūta Meilutytė | Lithuania | 1:04.27 | Q |
| 5 | 6 | 4 | Eneli Jefimova | Estonia | 1:04.34 | Q |
| 6 | 5 | 5 | Alina Zmushka | Neutral Athletes A | 1:04.42 | Q |
| 6 | 6 | 6 | Sophie Angus | Canada | 1:04.42 | Q |
| 8 | 5 | 6 | Rebecca Meder | South Africa | 1:04.57 | Q |
| 9 | 6 | 5 | Evgeniia Chikunova | Neutral Athletes B | 1:04.61 | Q |
| 10 | 5 | 1 | Kotryna Teterevkova | Lithuania | 1:04.62 | Q |
| 11 | 7 | 3 | Kotomi Kato | Japan | 1:04.67 | Q |
| 12 | 5 | 2 | Yuliya Yefimova | Neutral Athletes B | 1:04.77 | Q |
| 13 | 6 | 1 | Kristýna Horská | Czech Republic | 1:04.78 | Q, NR |
| 13 | 7 | 0 | Dominika Sztandera | Poland | 1:04.78 | Q |
| 15 | 7 | 8 | Emma Weber | United States | 1:04.81 | Q |
| 16 | 7 | 5 | Sophie Hansson | Sweden | 1:04.97 | Q |
| 17 | 4 | 3 | Henrietta Fángli | Hungary | 1:05.09 | R, NR |
| 18 | 4 | 4 | Olivia Klint Ipsa | Sweden | 1:05.13 | R |
| 19 | 6 | 2 | Clara Rybak-Andersen | Denmark | 1:05.20 | |
| 20 | 5 | 4 | Benedetta Pilato | Italy | 1:05.30 | |
| 21 | 5 | 7 | Park Si-eun | South Korea | 1:05.36 | NR |
| 22 | 4 | 5 | Lara van Niekerk | South Africa | 1:05.57 | |
| 23 | 7 | 1 | Diana Petkova | Bulgaria | 1:05.78 | |
| 24 | 6 | 8 | Silje Slyngstadli | Norway | 1:05.82 | |
| 25 | 7 | 6 | Yu Jingyao | China | 1:05.83 | |
| 26 | 5 | 3 | Andrea Podmaníková | Slovakia | 1:05.84 | |
| 27 | 4 | 2 | Sydney Pickrem | Canada | 1:05.92 | |
| 28 | 7 | 9 | Macarena Ceballos | Argentina | 1:05.93 | |
| 29 | 7 | 2 | Tara Kinder | Australia | 1:06.29 | |
| 30 | 3 | 3 | Lin Pei-wun | Chinese Taipei | 1:06.43 | NR |
| 31 | 5 | 9 | Veera Kivirinta | Finland | 1:06.49 | |
| 32 | 4 | 6 | Man Wui Kiu | Hong Kong | 1:06.61 | |
| 33 | 4 | 0 | Stefanía Gómez | Colombia | 1:06.85 | |
| 34 | 5 | 0 | Brearna Crawford | New Zealand | 1:07.10 | |
| 35 | 4 | 9 | Mercedes Toledo | Venezuela | 1:07.19 | |
| 36 | 5 | 8 | Meri Mataja | Croatia | 1:07.24 | |
| 37 | 3 | 7 | Lanihei Connolly | Cook Islands | 1:07.36 | NR |
| 38 | 3 | 4 | Emily Santos | Panama | 1:07.37 | NR |
| 39 | 4 | 1 | Phee Jinq En | Malaysia | 1:07.40 | |
| 40 | 6 | 0 | Niamh Coyne | Ireland | 1:07.49 | |
| 41 | 4 | 7 | Brigitta Vass | Romania | 1:07.62 | |
| 42 | 4 | 8 | Adelaida Pchelintseva | Kazakhstan | 1:07.74 | =NR |
| 43 | 6 | 9 | Ana Rodrigues | Portugal | 1:07.82 | |
| 44 | 3 | 6 | Lynn El Hajj | Lebanon | 1:08.36 | NR |
| 45 | 3 | 2 | Anastasia Basisto | Moldova | 1:09.22 | |
| 46 | 1 | 3 | Maria Erokhina | Cyprus | 1:09.49 | NR |
| 47 | 3 | 5 | Saovanee Boonamphai | Thailand | 1:09.62 | |
| 48 | 3 | 8 | Nàdia Tudó | Andorra | 1:09.69 | |
| 49 | 1 | 6 | Angelina Messina | Laos | 1:09.95 | |
| 50 | 3 | 9 | Imane Houda El Barodi | Morocco | 1:10.08 | |
| 51 | 2 | 5 | Marina Abu Shamaleh | Palestine | 1:12.49 | NR |
| 52 | 2 | 4 | Ellie Shaw | Netherlands Antilles | 1:12.98 | |
| 53 | 2 | 2 | Duana Lama | Nepal | 1:13.50 | |
| 54 | 2 | 7 | Nicole Mack | Guatemala | 1:13.64 | |
| 55 | 2 | 6 | Will-Insha Jules-Marthe | Cape Verde | 1:13.66 | |
| 56 | 2 | 3 | Stella Gjoka | Albania | 1:13.87 | |
| 57 | 2 | 1 | Anaika Otway | Grenada | 1:14.45 | |
| 58 | 3 | 0 | Rhanishka Gibbs | Bahamas | 1:14.99 | |
| 59 | 2 | 8 | Vaoahi Afu | Tonga | 1:16.15 | |
| 60 | 1 | 7 | Yun-Suh Chang | Botswana | 1:16.41 | NR |
| 61 | 2 | 9 | Kestra Kihleng | Federated States of Micronesia | 1:20.19 | |
| 62 | 1 | 4 | Hamna Ahmed | Maldives | 1:20.69 | |
| 63 | 2 | 0 | Aynur Merdanova | Turkmenistan | 1:22.04 | |
| 64 | 1 | 5 | Ceylia Djeutcha | Cameroon | 1:25.41 | |
| 65 | 1 | 2 | Diaraye Bah | Guinea | 1:28.18 | |
| | 3 | 1 | Lea Højsted | Faroe Islands | Disqualified | Disqualified |

### Semifinals

The semifinals were started on 11 December at 18:13.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 5 | Tang Qianting | China | 1:02.37 | Q, AS |
| 2 | 1 | 4 | Lilly King | United States | 1:03.23 | Q |
| 3 | 2 | 2 | Evgeniia Chikunova | Neutral Athletes B | 1:03.70 | Q |
| 4 | 2 | 4 | Angharad Evans | Great Britain | 1:03.71 | Q |
| 5 | 2 | 3 | Eneli Jefimova | Estonia | 1:03.80 | Q |
| 6 | 1 | 3 | Alina Zmushka | Neutral Athletes A | 1:03.89 | Q, NR |
| 7 | 1 | 6 | Rebecca Meder | South Africa | 1:04.04 | Q |
| 8 | 1 | 2 | Kotryna Teterevkova | Lithuania | 1:04.15 | Q |
| 9 | 1 | 1 | Dominika Sztandera | Poland | 1:04.23 | R |
| 10 | 1 | 7 | Yuliya Yefimova | Neutral Athletes B | 1:04.38 | R |
| 11 | 2 | 6 | Sophie Angus | Canada | 1:04.53 | |
| 12 | 2 | 7 | Kotomi Kato | Japan | 1:04.55 | |
| 13 | 1 | 5 | Rūta Meilutytė | Lithuania | 1:04.75 | |
| 14 | 2 | 1 | Kristýna Horská | Czech Republic | 1:04.78 | NR |
| 15 | 1 | 8 | Sophie Hansson | Sweden | 1:05.10 | |
| 16 | 2 | 8 | Emma Weber | United States | 1:05.36 | |

### Final

The final was held on 12 December at 18:30.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Tang Qianting | China | 1:02.38 | |
| | 5 | Lilly King | United States | 1:02.80 | |
| | 2 | Eneli Jefimova | Estonia | 1:03.25 | |
| 4 | 7 | Alina Zmushka | Neutral Athletes A | 1:03.41 | NR |
| 5 | 3 | Evgeniia Chikunova | Neutral Athletes B | 1:03.79 | |
| 6 | 1 | Rebecca Meder | South Africa | 1:03.93 | |
| 7 | 6 | Angharad Evans | Great Britain | 1:04.08 | |
| 8 | 8 | Kotryna Teterevkova | Lithuania | 1:04.65 | |