| Final 09.08 Night | time | L | H | | 1. Katinka Hosszú |  Hungary | 2:06.58 OR | 5 | -. | | 2. Siobhan-Marie O'Connor |  Great Britain | 2:06.88 NR | 4 | -. | | 3. Maya DiRado |  United States | 2:08.79 | 3 | -. | | 4. Melanie Margalis | United States | 2:09.21 | 2 | -. | | 5. Alicia Coutts |  Australia | 2:10.88 | 7 | -. | | 6. Sydney Pickrem |  Canada | 2:11.22 | 1 | -. | | 7. Viktoriya Andreeva |  Russia | 2:12.28 | 8 | -. | | 8. Ye Shiwen |  China | 2:13.56 | 6 | -. |
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| Ranking | time | L | H | | 1. Siobhan-Marie O'Connor | Great Britain | 2:07.57 | 4 | 4. | | 2. Maya DiRado | United States | 2:08.91 | 5 | 3. | | 3. Alicia Coutts | Australia | 2:10.35 | 3 | 3. | | 4. Sydney Pickrem | Canada | 2:10.57 | 6 | 5. | | 5. Viktoriya Andreeva | Russia | 2:10.87 | 8 | 5. | | 6. Kim Seo-yeong |  South Korea | 2:12.15 | 2 | 2. | | 6. Hannah Miley | Great Britain | 2:12.15 | 7 | 3. | | 8. Erika Seltenreich-Hodgson | Canada | 2:12.25 | 1 | 4. | | 1. Katinka Hosszú | Hungary | 2:08.13 | 4 | 5. | | 2. Ye Shiwen | China | 2:09.33 | 6 | 3. | | 3. Melanie Margalis | United States | 2:10.10 | 5 | 4. | | 4. Miho Teramura |  Japan | 2:11.03 | 3 | 4. | | 5. Zsuzsanna Jakabos | Hungary | 2:12.05 | 2 | 5. | | 6. Alexandra Wenk |  Germany | 2:12.13 | 1 | 5. | | 7. Runa Imai | Japan | 2:12.53 | 7 | 2. | | 8. Mireia Belmonte García |  Spain | 2:13.33 | 8 | 4. |
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| Ranking | time | L | H | | 1. Katinka Hosszú | Hungary | 2:07.45 OR | 4 | 5. | | 2. Siobhan-Marie O'Connor | Great Britain | 2:08.44 | 4 | 4. | | 3. Melanie Margalis | United States | 2:09.62 | 3 | 4. | | 4. Maya DiRado | United States | 2:10.24 | 4 | 3. | | 5. Miho Teramura | Japan | 2:10.34 | 5 | 4. | | 6. Alicia Coutts | Australia | 2:10.52 | 5 | 3. | | 7. Ye Shiwen | China | 2:10.56 | 6 | 3. | | 8. Sydney Pickrem | Canada | 2:11.06 | 3 | 5. | | 9. Zsuzsanna Jakabos | Hungary | 2:11.69 | 6 | 5. | | 10.Kim Seo-yeong | South Korea | 2:11.75 | 2 | 2. | | 11.Runa Imai | Japan | 2:11.78 | 7 | 5. | | 12.Hannah Miley | Great Britain | 2:11.84 | 3 | 3. | | 13.Alexandra Wenk | Germany | 2:12.46 | 2 | 5. | | 14.Erika Seltenreich-Hodgson | Canada | 2:12.56 | 1 | 4. | | 15.Mireia Belmonte Garcia | Spain | 2:12.58 | 2 | 4. | | 16.Viktoriya Andreeva | Russia | 2:13.01 | 5 | 5. | | eliminated | | 17.Kotuku Ngawati | Australia | 2:13.05 | 6 | 4. | | 18.Joanna Maranhão |  Brazil | 2:13.06 | 1 | 5. | | 19.Maria Ugolkova |  Switzerland | 2:13.77 | 4 | 2. | | 20.Stina Gardell |  Sweden | 2:14.41 | 8 | 2. | | 21.Barbora Závadová |  Czechia | 2:14.45 | 2 | 3. | | 22.Luisa Trombetti |  Italy | 2:14:66 | 3 | 2. | | 23.Zhou Min | China | 2:14.81 | 7 | 4. | | 24.Zamorano África | Spain | 2:14.87 | 7 | 2. | | 25.Tanja Kylliäinen |  Finland | 2:14.97 | 2 | 1. | | bellow Olympic Selection Time (OST) 2:15.17. | | 26.Lisa Zaiser |  Austria | 2:15.23 | 8 | 4. | | 27.Anja Crevar |  Serbia | 2:15.33 | 8 | 1. | | 28.Sara$FRA Franceschi | Italy | 2:15.61 | 8 | 5. | | 29.Louise Hansson | Sweden | 2:15.66 | 5 | 2. | | 30.Fantine Lesaffre |  France | 2:15.71 | 5 | 1. | | 30.Lena Kreundl | Austria | 2:15.71 | 8 | 3. | | 32.Nam Yoo-sun | South Korea | 2:16.11 | 4 | 1. | | 33.Nguyễn Thị Ánh Viên |  Vietnam | 2:16.20 | 7 | 3. | | 34.Marrit Steenbergen |  Netherlands | 2:16.59 | 3 | 1. | | 35.Victoria Kaminskaya |  Portugal | 2:16.78 | 1 | 1. | | 36.Simona Baumrtová | Czechia | 2:17.21 | 6 | 1. | | 37.Virginia Bardach |  Argentina | 2:17.94 | 1 | 2. | | 38.Ranohon Amanova |  Uzbekistan | 2:18.97 | 1 | 3. | | 39.Katarzyna Baranowska |  Poland | 2:19.03 | 7 | 1. | | -. Siobhan Haughey |  Hong Kong | DNS | 6 | 2. |
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| Final 09.08 Tuesday Night. | | Semi-Finals 08.08 Monday Night. | | Heats 08.08 Monday Afternoon. |
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| Olympic Qualifyng Time (OQT) 2:14.26 - NOC can enter up to 2 swimmers with OQT. | | Olympic Selection Time (OST) 2:18.96, invitational - 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 - 38 Swimmers - additional 4 Swimmers. | | Olympic Qualifying Time – 2:14.26 | | 2 Quotas - 13 NOC | | 2 |  Australia | Alicia Coutts | Kotuku Ngawati | | 2 |  Austria | Lena Kreundl | Lisa Zaiser | | 2 |  Canada | Sydney Pickrem | Erika Seltenreich-Hodgson | | 2 |  China | Ye Shiwen | Zhou Min | | 2 |  Czechia | Simona Baumrtová | Barbora Závadová | | 2 |  Great_Britain | Hannah Miley | Siobhan-Marie O'Connor | | 2 |  Hungary | Katinka Hosszú | Zsuzsanna Jakabos | | 2 |  Italy | Sara Franceschi | Luisa Trombetti | | 2 |  Japan | Runa Imai | Miho Teramura | | 2 |  South_Korea | Kim Seo-yeong | Nam Yoo-sun | | 2 |  Spain | Mireia Belmonte | Zamorano áfrica | | 2 |  Sweden | Stina Gardell | Louise Hansson | | 2 |  United_States | Maya DiRado | Melanie Margalis | | 1 Quota - 12 NOC | | 1 |  Argentina | Virginia Bardach | | 1 |  Brazil | Joanna Melo | | 1 |  Finland | Tanja Kylliäinen | | 1 |  France | Lara Grangeon | | 1 |  Germany | Alexandra Wenk | | 1 |  Hong Kong | Siobhan Haughey | | 1 |  Iceland | Hrafnhildur Lúthersdóttir | | 1 |  Netherlands | Marrit Steenbergen | | 1 |  Russia | Viktoriya Andreeva | | 1 |  Switzerland | Maria Ugolkova | | 1 |  Uzbekistan | Ranohon Amanova | | 1 |  Vietnam | Nguyễn Thị Ánh Viên | | Olympic Selection Time – 2:18.96 - 4 NOC | | 1 |  Israel | Amit Ivry | [a] | | 1 |  Poland | Katarzyna Baranowska | | 1 |  Portugal | Victoria Kaminskaya | [a] | | 1 |  Serbia | Anja Crevar | [a] | | Universalitiy Places - 0 NOC | | 42 | Total |
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