# Swimming at the 2019 World Aquatics Championships – Women's 100 metre freestyle

The Women's 100 metre freestyle competition at the 2019 World Championships was held on 25 and 26 July 2019.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Sarah Sjöström (SWE) | 51.71 | Budapest, Hungary | 23 July 2017 |
| Competition record | Sarah Sjöström (SWE) | 51.71 | Budapest, Hungary | 23 July 2017 |

## Results
### Heats

The heats were held on 25 July at 10:00.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 8 | 4 | Simone Manuel | United States | 53.10 | Q |
| 2 | 10 | 5 | Sarah Sjöström | Sweden | 53.11 | Q |
| 3 | 8 | 7 | Anna Hopkin | Great Britain | 53.21 | Q |
| 4 | 10 | 4 | Cate Campbell | Australia | 53.36 | Q |
| 5 | 9 | 3 | Femke Heemskerk | Netherlands | 53.56 | Q |
| 6 | 10 | 3 | Mallory Comerford | United States | 53.57 | Q |
| 7 | 9 | 4 | Emma McKeon | Australia | 53.58 | Q |
| 8 | 8 | 5 | Charlotte Bonnet | France | 53.67 | Q |
| 9 | 9 | 6 | Maria Kameneva | Russia | 53.68 | Q |
| 10 | 9 | 5 | Taylor Ruck | Canada | 53.69 | Q |
| 11 | 10 | 2 | Freya Anderson | Great Britain | 53.77 | Q |
| 12 | 10 | 6 | Siobhán Haughey | Hong Kong | 53.81 | Q |
| 13 | 10 | 7 | Béryl Gastaldello | France | 53.95 | Q |
| 14 | 8 | 3 | Ranomi Kromowidjojo | Netherlands | 53.99 | Q |
| 15 | 9 | 2 | Michelle Coleman | Sweden | 54.01 | Q |
| 16 | 9 | 0 | Zhu Menghui | China | 54.25 | Q |
| 17 | 8 | 9 | Julie Meynen | Luxembourg | 54.44 | NR |
| 18 | 7 | 4 | Maria Ugolkova | Switzerland | 54.54 | |
| 19 | 8 | 1 | Barbora Seemanová | Czech Republic | 54.62 | |
| 20 | 9 | 8 | Erin Gallagher | South Africa | 54.64 | |
| 21 | 7 | 5 | Andrea Murez | Israel | 54.67 | |
| 22 | 8 | 2 | Federica Pellegrini | Italy | 54.68 | |
| 22 | 10 | 8 | Katarzyna Wilk | Poland | 54.68 | |
| 24 | 8 | 8 | Veronika Andrusenko | Russia | 54.78 | |
| 25 | 10 | 9 | Neža Klančar | Slovenia | 54.88 | |
| 26 | 10 | 1 | Rika Omoto | Japan | 54.89 | |
| 27 | 7 | 3 | Valentine Dumont | Belgium | 54.90 | NR |
| 28 | 6 | 4 | Farida Osman | Egypt | 54.93 | NR |
| 29 | 8 | 0 | Lidón Muñoz del Campo | Spain | 55.23 | |
| 30 | 7 | 2 | Theodora Drakou | Greece | 55.50 | |
| 31 | 10 | 0 | Anika Apostalon | Czech Republic | 55.51 | |
| 32 | 9 | 9 | Quah Ting Wen | Singapore | 55.60 | |
| 33 | 9 | 7 | Signe Bro | Denmark | 55.65 | |
| 34 | 7 | 7 | Selen Özbilen | Turkey | 55.71 | |
| 35 | 7 | 6 | Jeong So-eun | South Korea | 55.86 | |
| 36 | 6 | 5 | Remedy Rule | Philippines | 56.13 | |
| 37 | 7 | 8 | Ieva Maļuka | Latvia | 56.19 | |
| 38 | 7 | 0 | Aksana Dziamidava | Belarus | 56.33 | |
| 39 | 6 | 3 | Kalia Antoniou | Cyprus | 56.53 | |
| 40 | 7 | 9 | Aleksa Gold | Estonia | 56.62 | |
| 41 | 6 | 7 | Anicka Delgado | Ecuador | 56.67 | NR |
| 42 | 6 | 9 | Elan Daley | Bermuda | 57.00 | |
| 43 | 6 | 6 | Snæfríður Jórunnardóttir | Iceland | 57.34 | |
| 44 | 6 | 2 | Karen Torrez | Bolivia | 57.37 | |
| 45 | 6 | 8 | Sirena Rowe | Colombia | 57.42 | |
| 46 | 6 | 1 | Allyson Ponson | Aruba | 57.67 | |
| 47 | 5 | 4 | Matelita Buadromo | Fiji | 57.93 | |
| 48 | 2 | 3 | Talita Baqlah | Jordan | 58.06 | |
| 49 | 5 | 3 | Mariel Mencia | Dominican Republic | 58.82 | |
| 50 | 6 | 0 | Gabriela Santis | Guatemala | 58.93 | |
| 51 | 5 | 2 | Maria Brunlehner | Kenya | 59.08 | |
| 51 | 5 | 5 | Maria Schutzmeier | Nicaragua | 59.08 | |
| 53 | 4 | 5 | Natalya Kritinina | Uzbekistan | 59.19 | |
| 54 | 2 | 1 | Catarina Sousa | Angola | 59.28 | |
| 55 | 5 | 6 | Mya Azzopardi | Malta | 59.37 | |
| 56 | 5 | 7 | Lauren Hew | Cayman Islands | 59.57 | |
| 57 | 4 | 8 | Nikol Merizaj | Albania | 59.60 | |
| 58 | 5 | 1 | Inés Remersaro | Uruguay | 59.69 | |
| 59 | 4 | 2 | Batbayaryn Enkhkhüslen | Mongolia | 59.76 | |
| 60 | 4 | 6 | Jeanne Boutbien | Senegal | 59.79 | |
| 61 | 5 | 0 | Ani Poghosyan | Armenia | 59.89 | |
| 62 | 4 | 4 | Lina Khiyara | Morocco | 59.93 | |
| 63 | 4 | 3 | Mariam Imnadze | Georgia | 59.97 | |
| 64 | 5 | 8 | Catharine Cooper | Panama | 1:00.08 | |
| 65 | 4 | 1 | Mikaili Charlemagne | Saint Lucia | 1:00.27 | |
| 66 | 4 | 9 | Kaya Forson | Ghana | 1:00.29 | NR |
| 67 | 5 | 9 | Paige van der Westhuizen | Zimbabwe | 1:00.47 | |
| 68 | 4 | 7 | Samantha Roberts | Antigua and Barbuda | 1:00.53 | |
| 69 | 4 | 0 | Gaurika Singh | Nepal | 1:00.62 | |
| 70 | 3 | 4 | Anastasiia Filina | Kyrgyzstan | 1:01.07 | |
| 71 | 3 | 3 | Abiola Ogunbanwo | Nigeria | 1:01.31 | |
| 72 | 3 | 5 | Andela Antunović | Montenegro | 1:01.38 | |
| 73 | 3 | 2 | Yusra Mardini | FINA Independent Athletes | 1:01.75 | |
| 74 | 3 | 6 | Fjorda Shabani | Kosovo | 1:02.05 | |
| 75 | 3 | 0 | Georgia-Leigh Vele | Papua New Guinea | 1:02.45 | |
| 76 | 2 | 9 | Latroya Pina | Cape Verde | 1:03.88 | |
| 76 | 3 | 7 | Selina Katumba | Uganda | 1:03.88 | |
| 78 | 3 | 8 | Mya de Freitas | Saint Vincent and the Grenadines | 1:03.91 | |
| 79 | 3 | 1 | Mineri Gomez | Guam | 1:05.11 | |
| 80 | 2 | 6 | Mishael Ayub | Pakistan | 1:05.58 | |
| 81 | 1 | 2 | Alaa Binrajab | Bahrain | 1:07.08 | |
| 81 | 3 | 9 | Margie Winter | Micronesia | 1:07.08 | |
| 83 | 2 | 8 | Osisang Chilton | Palau | 1:07.36 | |
| 84 | 2 | 2 | Charissa Panuve | Tonga | 1:08.00 | |
| 85 | 1 | 4 | Jennifer Harding-Marlin | Saint Kitts and Nevis | 1:08.05 | |
| 86 | 2 | 0 | Ekaterina Bordachyova | Tajikistan | 1:10.13 | |
| 87 | 1 | 5 | Jin Ju Thompson | Northern Mariana Islands | 1:10.31 | |
| 88 | 1 | 3 | Nada Arkaji | Qatar | 1:12.91 | |
| 89 | 2 | 4 | Tayamika Chang'anamuno | Malawi | 1:13.46 | |
| 90 | 1 | 7 | Lina Selo | Ethiopia | 1:14.88 | |
| 91 | 2 | 5 | Imelda Ximenes | East Timor | 1:18.03 | |
| 92 | 1 | 6 | Roukaya Mahamane | Niger | 1:21.51 | |
| 93 | 2 | 7 | Haneen Ibrahim | Sudan | 1:22.18 | |
| | 7 | 1 | Evelyn Verrasztó | Hungary | DNS | DNS |
| | 8 | 6 | Penny Oleksiak | Canada | DNS | DNS |
| | 9 | 1 | Yang Junxuan | China | DNS | DNS |

### Semifinals

The semifinals were held on 25 July at 20:11.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Sarah Sjöström | Sweden | 52.43 | Q |
| 2 | 5 | Cate Campbell | Australia | 52.71 | Q |
| 3 | 2 | Taylor Ruck | Canada | 53.04 | Q |
| 4 | 3 | Mallory Comerford | United States | 53.10 | Q |
| 5 | 1 | Ranomi Kromowidjojo | Netherlands | 53.43 | |
| 6 | 7 | Siobhán Haughey | Hong Kong | 53.45 | |
| 7 | 6 | Charlotte Bonnet | France | 53.62 | |
| 8 | 8 | Zhu Menghui | China | 54.07 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | Emma McKeon | Australia | 52.77 | Q |
| 2 | 3 | Femke Heemskerk | Netherlands | 53.16 | Q |
| 3 | 4 | Simone Manuel | United States | 53.31 | Q |
| 3 | 7 | Freya Anderson | Great Britain | 53.31 | Q |
| 5 | 2 | Maria Kameneva | Russia | 53.45 | NR |
| 6 | 5 | Anna Hopkin | Great Britain | 53.65 | |
| 7 | 1 | Béryl Gastaldello | France | 54.31 | |
| 8 | 8 | Michelle Coleman | Sweden | 54.56 | |

### Final

The final was held on 26 July at 20:02.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 1 | Simone Manuel | United States | 52.04 | AM |
| | 5 | Cate Campbell | Australia | 52.43 | |
| | 4 | Sarah Sjöström | Sweden | 52.46 | |
| 4 | 3 | Emma McKeon | Australia | 52.75 | |
| 5 | 6 | Taylor Ruck | Canada | 53.03 | |
| 6 | 7 | Femke Heemskerk | Netherlands | 53.05 | |
| 7 | 2 | Mallory Comerford | United States | 53.22 | |
| 8 | 8 | Freya Anderson | Great Britain | 53.44 | |