| Final | time | gap | L  |  | 1. Penny Oleksiak |   Canada | 52.70s | OR, WJR | 5 |  | 1. Simone Manuel |   United States | 52.70s | OR | 3 |  | 3. Sarah Sjöström |   Sweden | 52.99s | +0.29s | 6 |  | 4. Bronte Campbell |   Australia | 53.04s | +0.34s | 2 |  | 5. Ranomi Kromowidjojo |   Netherlands | 53.08s | +0.38s | 1 |  | 6. Cate Campbell |   Australia | 53.24s | +0.54s | 4 |  | 7. Abbey Weitzeil |   United States | 53.30s | +0.60s | 8 |  | 8. Jeanette Ottesen |   Denmark | 53.36s | +0.66s | 7 |   
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| Ranking | time | L |  | 1. Simone Manuel |   United States | 53.11s | 4 | -. |  | 2. Bronte Campbell |   Australia | 53.29s | 6 | -. |  | 3. Jeanette Ottesen |   Denmark | 53.35s | 3 | -. |  | 4. Ranomi Kromowidjojo |   Netherlands | 53.42s | 5 | -. |  | 5. Zhu Menghui |   China | 53.98s | 7 | -. |  | 6. Miki Uchida |   Japan | 54.39s | 8 | -. |  | 7. Charlotte Bonnet |   France | 54.54s | 2 | -. |  | 8. Etiene Medeiros |   Brazil | 54.59s | 1 | -. |  | 1. Cate Campbell |   Australia | 52.71s | 4 | -. |  | 2. Penny Oleksiak |   Canada | 52.72s | 3 | -. |  | 3. Sarah Sjöström |   Sweden | 53.16s | 5 | -. |  | 4. Abbey Weitzeil |   United States | 53.53s | 6 | -. |  | 5. Chantal Van Landeghem |   Canada | 54.00s | 2 | -. |  | 6. Pernille Blume |   Denmark | 54.19s | 7 | -. |  | 7. Rikako Ikee |   Japan | 54.31s | 8 | -. |  | 8. Aliaksandra Herasimenia |   Belarus | 54.34s | 1 | -. |  |  eliminated |  |  below Olympic Qualifyng Time 54.36s. |   
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| Ranking | time | L | H |  | 1. Cate Campbell |   Australia | 52.78s OR | 4 | 5. |  | 2. Simone Manuel |   United States | 53.32s | 3 | 4. |  | 3. Sarah Sjöström |   Sweden | 53.37s | 5 | 6. |  | 4. Ranomi Kromowidjojo |   Netherlands | 53.43s | 5 | 5. |  | 5. Penny Oleksiak |   Canada | 53.53s | 3 | 5. |  | 5. Jeanette Ottesen |   Denmark | 53.53s | 6 | 5. |  | 7. Abbey Weitzeil |   United States | 53.54s | 3 | 6. |  | 8. Bronte Campbell |   Australia | 53.71s | 4 | 6. |  | 9. Chantal Van Landeghem |   Canada | 53.89s | 2 | 5. |  | 10.Charlotte Bonnet |   France | 53.93s | 2 | 6. |  | 11.Pernille Blume |   Denmark | 54.15s | 8 | 5. |  | 11.Zhu Menghui |   China | 54.15s | 7 | 6. |  | 13.Aliaksandra Herasimenia |   Belarus | 54.25s | 6 | 4. |  |  below Olympic Qualifyng Time 54.36s. |  | 14.Etiene Medeiros |   Brazil | 54.38s | 8 | 4. |  | 15.Shen Duo |   China | 54.41s WD | 2 | 4. |  | 16.Rikako Ikee |   Japan | 54.50s | 1 | 6. |  | 16.Miki Uchida |   Japan | 54.50s | 8 | 6. |  |  eliminated |  | 18.Arianna Vanderpool-Wallace | Bahamas | 54.56s | 7 | 5. |  | 19.Veronika Popova |   Russia | 54.60s | 5 | 3. |  | 20.Femke Heemskerk |   Netherlands | 54.63s | 4 | 4. |  | 21.Larissa Oliveira |   Brazil | 54.72s | 1 | 5. |  | 22.Gastaldello Béryl |   France | 54.80s | 7 | 4. |  | 23.Maria Ugolkova |   Switzerland | 54.85s | 1 | 3. |  | 24.Camille Cheng |   Hong Kong | 54.92s | 7 | 3. |  | 25.Julie Meynen |   Luxembourg | 55.09s | 8 | 3. |  | 26.Erika Ferraioli |   Italy | 55.20s | 4 | 3. |  | 27.Susann Bjørnsen |   Norway | 55.35s | 4 | 2. |  | 28.Nataliya Lovtsova |   Russia | 55.37s | 1 | 4. |  | 29.Katarzyna Wilk |   Poland | 55.44s | 3 | 3. |  | 30.Andrea Murez |   Israel | 55.47s | 6 | 3. |  | 31.Nina Rangelova |   Bulgaria | 55.71s | 2 | 3. |  | 32.Natthanan Junkrajang |   Thailand | 56.24s | 3 | 2. |  |  below Olympic Selection Time (OST) 56.26s. |  | 33.Jasmine Alkhaldi |   Philippines | 56.30s | 5 | 2. |  | 34.Inés Remersaro |   Uruguay | 57.85s | 5 | 1. |  | 35.Jade Ashleigh Howard |   Zambia | 58.47s | 8 | 2. |  | 36.Ana-Iulia Dascăl |   Romania | 58.72s | 6 | 2. |  | 37.Heather Arseth |   Mauritius | 58.89s | 1 | 2. |  | 38.Tracy Keith-Matchitt |   Cook Islands | 58.90s | 7 | 2. |  | 39.Karen Riveros |   Paraguay | 59.00s | 2 | 2. |  | 40.Ana Sofia Nóbrega |   Angola | 59.23s | 3 | 1. |  | 41.Fatima Alkaramova |   Azerbaijan | 59.41s | 6 | 1. |  | 42.Jovana Terzić |   Montenegro | 59.59s | 4 | 1. |  | 43.Nikol Merizaj |   Albania | 59.99s | 2 | 1. |  | 44.Estellah Fils Rabetsara |   Madagascar | 1:01.11s | 8 | 1. |  | 45.Yusra Mardini | Refugee Olympic Team | 1:04.66s | 7 | 1. |  | 46.Aminath Shajan |   Maldives | 1:05.71s | 1 | 1. |  | -. Federica Pellegrini |   Italy | DNS | 5 | 4. |  | -. Michelle Coleman |   Sweden | DNS | 6 | 6. |   
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| Final 11.08 Thursday Night. |  | Semi-Finals 10.08 Wednesday Night. |  | Heats 10.08 Wednesday Afternoon. |   
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| Olympic Qualifyng Time (OQT) 54.43s - NOC can enter up to 2 swimmers with OQT. |  | Olympic Selection Time (OST) 56.34s, invitantional - A swwimer meeting the "invitation" standard was eligible for entry. But this entry was allotted/filled by ranking.  |   
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|  Olympic Qualifyng Time by NOC - 26 Swimmers - additional 20 Swimmers. |  |  Olympic Qualifying Time – 54.43s |  |  2 Quotas - 10 NOC |  | 2 |  Australia | Bronte Campbell | Cate Campbell |  | 2 |  Brazil | Larissa Oliveira | Etiene Medeiros |  | 2 |  Canada | Penny Oleksiak | Chantal van Landeghem |  | 2 |  China | Shen Duo | Zhu Menghui |  | 2 |  France | Charlotte Bonnet | Gastaldello Béryl |  | 2 |  Italy | Erika Ferraioli | Federica Pellegrini |  | 2 |  Japan | Rikako Ikee | Miki Uchida |  | 2 |  Netherlands | Femke Heemskerk | Ranomi Kromowidjojo |  | 2 |  Sweden | Michelle Coleman | Sarah Sjöström |  | 2 |  United_States | Simone Manuel | Abbey Weitzeil |  |  1 Quota - 6 NOC |  | 1 |  Bahamas | Arianna Vanderpool-Wallace |  | 1 |  Belarus | Aliaksandra Herasimenia |  | 1 |  Denmark | Pernille Blume |  | 1 |  Israel | Andrea Murez |  | 1 |  Poland | Katarzyna Wilk |  | 1 |  Russia | Veronika Popova |  |  Olympic Selection Time – 56.34s - 7 NOC |  | 1 |  Bulgaria | Nina Rangelova | [Women 200m Freestyle] |  | 1 |  Hong Kong | Camille Cheng | [Women 200m Freestyle] |  | 1 |  Luxembourg | Julie Meynen |  | 1 |  Norway | Susann Bjørnsen | [Women 50m Freestyle] |  | 1 |  Philippines | Jasmine Alkhaldi | [b] |  | 1 |  Switzerland | Maria Ugolkova | [Women 200m Freestyle] |  | 1 |  Thailand | Natthanan Junkrajang | [b] |  |  Universalitiy Places - 13 NOC |  | 1 |  Albania | Nikol Merizaj |  | 1 |  Andorra | Ramírez Mónica |  | 1 |  Angola | Ana Nobréga |  | 1 |  Azerbaijan | Fatima Alkaramova |  | 1 |  Cook Islands | Tracy Keith-Matchitt |  | 1 |  Madagascar | Estellah Fils Rabetsara |  | 1 |  Maldives | Aminath Shajan |  | 1 |  Mauritius | Heather Arseth |  | 1 |  Montenegro | Jovana Terzić |  | 1 |  Paraguay | Karen Riveros |  | 1 |  Romania | Ana Iulia Dascăl |  | 1 |  Uruguay | Ines Remersaro |  | 1 |  Zambia | Jade Howard |  | 46 | Total |   
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