# Swimming at the 2015 World Aquatics Championships – Women's 100 metre freestyle

The Women's 100 metre freestyle competition of the swimming events at the 2015 World Aquatics Championships was held on 6 August with the heats and the semifinals and 7 August with the final.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Britta Steffen (GER) | 52.07 | Rome, Italy | 31 July 2009 |
| Competition record | Britta Steffen (GER) | 52.07 | Rome, Italy | 31 July 2009 |

## Results
### Heats

The heats were held at 09:30.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 9 | 4 | Sarah Sjöström | Sweden | 53.22 | Q |
| 1 | 10 | 4 | Cate Campbell | Australia | 53.22 | Q |
| 3 | 10 | 5 | Bronte Campbell | Australia | 53.50 | Q |
| 4 | 10 | 3 | Ranomi Kromowidjojo | Netherlands | 53.85 | Q |
| 5 | 8 | 4 | Femke Heemskerk | Netherlands | 53.89 | Q |
| 6 | 8 | 3 | Shen Duo | China | 53.93 | Q |
| 7 | 9 | 5 | Simone Manuel | United States | 53.99 | Q |
| 8 | 10 | 6 | Charlotte Bonnet | France | 54.01 | Q |
| 9 | 9 | 3 | Michelle Coleman | Sweden | 54.10 | Q |
| 10 | 8 | 5 | Missy Franklin | United States | 54.22 | Q |
| 10 | 8 | 2 | Miki Uchida | Japan | 54.22 | Q |
| 12 | 9 | 8 | Zhu Menghui | China | 54.41 | Q |
| 13 | 10 | 1 | Chantal van Landeghem | Canada | 54.54 | Q |
| 14 | 9 | 2 | Nataliya Lovtsova | Russia | 54.68 | Q |
| 15 | 10 | 2 | Pernille Blume | Denmark | 54.72 | Q |
| 16 | 9 | 7 | Aliaksandra Herasimenia | Belarus | 54.90 | Q |
| 16 | 9 | 6 | Veronika Popova | Russia | 54.90 | |
| 18 | 8 | 8 | Siobhán Haughey | Hong Kong | 54.95 | |
| 19 | 10 | 0 | Larissa Oliveira | Brazil | 55.02 | |
| 20 | 10 | 7 | Michelle Williams | Canada | 55.08 | |
| 21 | 8 | 6 | Béryl Gastaldello | France | 55.11 | |
| 22 | 8 | 7 | Erika Ferraioli | Italy | 55.12 | |
| 23 | 10 | 9 | Nina Rangelova | Bulgaria | 55.22 | |
| 24 | 9 | 9 | Katarzyna Wilk | Poland | 55.24 | |
| 25 | 6 | 5 | Anna Kolářová | Czech Republic | 55.26 | |
| 26 | 7 | 7 | Farida Osman | Egypt | 55.46 | |
| 27 | 7 | 6 | Cecilie Johannessen | Norway | 55.51 | |
| 28 | 7 | 4 | Julie Meynen | Luxembourg | 55.54 | |
| 29 | 7 | 0 | Miroslava Syllabová | Slovakia | 55.60 | |
| 30 | 7 | 3 | Hanna-Maria Seppälä | Finland | 55.65 | |
| 31 | 7 | 2 | Kimberly Buys | Belgium | 55.66 | |
| 32 | 9 | 1 | Yayoi Matsumoto | Japan | 55.71 | |
| 33 | 8 | 0 | Annika Bruhn | Germany | 55.75 | |
| 34 | 9 | 0 | Graciele Herrmann | Brazil | 55.80 | |
| 35 | 6 | 2 | Anastasia Bogdanovski | North Macedonia | 56.12 | |
| 36 | 7 | 1 | Nastja Govejšek | Slovenia | 56.19 | |
| 37 | 7 | 8 | Sasha Touretski | Switzerland | 56.20 | |
| 38 | 8 | 9 | Theodora Giareni | Greece | 56.24 | |
| 39 | 6 | 6 | Jasmine Al-Khaldi | Philippines | 56.40 | |
| 39 | 7 | 5 | Birgit Koschischek | Austria | 56.40 | |
| 41 | 7 | 9 | Isabella Arcila | Colombia | 56.41 | |
| 42 | 6 | 8 | Ekaterina Avramova | Turkey | 56.51 | |
| 43 | 5 | 4 | Zohar Shikler | Israel | 56.84 | |
| 43 | 6 | 4 | Quah Ting Wen | Singapore | 56.84 | |
| 45 | 6 | 3 | Bryndis Hansen | Iceland | 56.87 | |
| 46 | 6 | 1 | Natthanan Junkrajang | Thailand | 56.95 | |
| 47 | 6 | 7 | Miroslava Najdanovski | Serbia | 57.34 | |
| 48 | 5 | 3 | Chinyere Pigot | Suriname | 57.36 | |
| 49 | 6 | 0 | Elisbet Gámez | Cuba | 57.52 | |
| 50 | 5 | 9 | Bayan Jumah | Syria | 57.81 | |
| 51 | 5 | 1 | Tracy Keith-Matchitt | Cook Islands | 57.85 | |
| 52 | 6 | 9 | Tess Grossmann | Estonia | 57.91 | |
| 53 | 5 | 5 | Karen Torrez | Bolivia | 57.93 | |
| 54 | 5 | 6 | Ariel Weech | Bahamas | 58.07 | |
| 55 | 4 | 4 | Matelita Buadromo | Fiji | 58.53 | |
| 56 | 5 | 2 | Chrysoula Karamanou | Cyprus | 58.65 | |
| 57 | 5 | 0 | Rebecca Heyliger | Bermuda | 58.71 | |
| 58 | 3 | 6 | Jade Howard | Zambia | 58.74 | |
| 59 | 4 | 5 | Shivani Kataria | India | 58.76 | |
| 59 | 5 | 7 | Allyson Ponson | Aruba | 58.76 | |
| 61 | 4 | 0 | Mónica Ramírez | Andorra | 58.85 | |
| 62 | 4 | 1 | Karen Riveros | Paraguay | 58.95 | |
| 63 | 4 | 2 | Dorian McMenemy | Dominican Republic | 59.37 | |
| 64 | 4 | 6 | Machiko Raheem | FINA Independent Athletes | 59.50 | |
| 65 | 3 | 4 | Beatrice Felici | San Marino | 59.51 | |
| 66 | 4 | 9 | Naomi Ruele | Botswana | 59.62 | |
| 67 | 4 | 3 | Faye Sultan | Kuwait | 59.66 | |
| 68 | 4 | 8 | Jovana Terzić | Montenegro | 59.78 | |
| 69 | 4 | 7 | Nicola Muscat | Malta | 1:00.07 | |
| 70 | 3 | 0 | Emily Muteti | Kenya | 1:00.51 | |
| 71 | 3 | 5 | Sofia Usher | Uruguay | 1:00.64 | |
| 72 | 3 | 2 | Elinah Phillip | British Virgin Islands | 1:00.79 | |
| 73 | 3 | 3 | Rahaf Baqleh | Jordan | 1:00.81 | |
| 74 | 5 | 8 | Monika Vasilyan | Armenia | 1:01.07 | |
| 75 | 3 | 8 | Jennifer Rizkallah | Lebanon | 1:01.16 | |
| 76 | 3 | 1 | Tiara Anwar | Brunei | 1:01.33 | |
| 77 | 3 | 9 | Samantha Roberts | Antigua and Barbuda | 1:01.38 | |
| 78 | 2 | 4 | Fatima Alkaramova | Azerbaijan | 1:02.01 | |
| 78 | 3 | 7 | Long Chi Wai | Macau | 1:02.01 | |
| 80 | 2 | 3 | Nikol Merizaj | Albania | 1:02.19 | |
| 81 | 2 | 6 | Gaurika Singh | Nepal | 1:03.23 | |
| 82 | 2 | 5 | Enkhkhuslen Batbayar | Mongolia | 1:05.15 | |
| 83 | 2 | 7 | Colleen Furgeson | Marshall Islands | 1:05.18 | |
| 84 | 2 | 8 | Charissa Panuve | Tonga | 1:05.65 | |
| 85 | 2 | 2 | Merjen Saryyeva | Turkmenistan | 1:05.85 | |
| 86 | 1 | 5 | Magdalena Moshi | Tanzania | 1:06.47 | |
| 87 | 2 | 9 | Zahra Pinto | Malawi | 1:07.32 | |
| 88 | 2 | 1 | Aminath Shajan | Maldives | 1:07.51 | |
| 89 | 2 | 0 | Karina Klimyk | Tajikistan | 1:09.71 | |
| 90 | 1 | 4 | Elsie Uwamahoro | Burundi | 1:18.50 | |
| | 1 | 3 | Teona Bostashvili | Georgia | | DNS |
| | 8 | 1 | Federica Pellegrini | Italy | | DNS |
| | 10 | 8 | Katinka Hosszú | Hungary | | DNS |

### Semifinals

The semifinals were held at 17:32.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Cate Campbell | Australia | 52.84 | Q |
| 2 | 5 | Ranomi Kromowidjojo | Netherlands | 53.78 | Q |
| 3 | 3 | Shen Duo | China | 53.91 | Q |
| 4 | 2 | Missy Franklin | United States | 53.92 | Q |
| 5 | 6 | Charlotte Bonnet | France | 54.15 | |
| 6 | 1 | Nataliya Lovtsova | Russia | 54.44 | |
| 7 | 8 | Aleksandra Gerasimenya | Belarus | 54.68 | |
| 8 | 7 | Zhu Menghui | China | 54.77 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Sarah Sjöström | Sweden | 52.78 | Q |
| 2 | 5 | Bronte Campbell | Australia | 53.00 | Q |
| 3 | 3 | Femke Heemskerk | Netherlands | 53.38 | Q |
| 4 | 6 | Simone Manuel | United States | 53.81 | Q |
| 5 | 1 | Chantal van Landeghem | Canada | 53.93 | |
| 6 | 2 | Michelle Coleman | Sweden | 54.22 | |
| 7 | 7 | Miki Uchida | Japan | 54.30 | |
| 8 | 8 | Pernille Blume | Denmark | 54.60 | |

### Final

The final was held on 7 August at 17:32.
| Rank | Lane | Name | Nationality | Time |
| | 3 | Bronte Campbell | Australia | 52.52 |
| | 4 | Sarah Sjöström | Sweden | 52.70 |
| | 5 | Cate Campbell | Australia | 52.82 |
| 4 | 2 | Ranomi Kromowidjojo | Netherlands | 53.17 |
| 5 | 6 | Femke Heemskerk | Netherlands | 53.58 |
| 6 | 7 | Simone Manuel | United States | 53.93 |
| 7 | 8 | Missy Franklin | United States | 54.00 |
| 8 | 1 | Shen Duo | China | 54.76 |