| Final 08.08 Night | time | gap | L | React. |  50m |  | 1. Lillia King |  USA | 1:04.93 | OR |   | 0.69 | 30.22s | 1. |  | 2. Yuliya Efimova |  RUS | 1:05.50 | 00.57 |   | 0.71 | 30.70s | 4. |  | 3. Katie Meili |  USA | 1:05.69 | 00.76 |   | 0.66 | 30.43s | 2. |  | 4. Jinglin Shi |  CHN | 1:06.37 | 01.44 |   | 0.74 | 30.82s | 5. |  | 5. Rachel Nicol |  CAN | 1:06.68 | 01.75 |   | 0.67 | 31.64s | 8. |  | 6. Hrafnhildur Luthersdottir |  ISL | 1:07.18 | 02.25 |   | 0.67 | 30.87s | 6. |  | 7. Ruta Meilutyte |  LTU | 1:07.32 | 02.39 |   | 0.60 | 30.65s | 3. |  | 8. Alia Atkinson |  JAM | 1:08.10 | 03.17 |   | 0.75 | 31.30s | 7. |   
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| Ranking | time | gap | React | 50m | HR | Semi |  | 1. Lillia King |  USA | 1:05.70 |   | 0.69 | 30.69s | 1. | 2  |  | 2. Yuliya Efimova |  RUS | 1:05.72 | 00.02 | 0.74 | 31.86s | 1. | 1  |  | 3. Jinglin Shi |  CHN | 1:06.31 | 00.61 | 0.74 | 31.01s | 2. | 2  |  | 4. Ruta Meilutyte |  LTU | 1:06.44 | 00.74 | 0.60 | 30.96s | 2. | 1  |  | 5. Alia Atkinson |  JAM | 1:06.52 | 00.82 | 0.68 | 31.23s | 3. | 2  |  | 5. Katie Meili |  USA | 1:06.52 | 00.82 | 0.62 | 31.24s | 3. | 2  |  | 7. Hrafnhildur Luthersdottir |  ISL | 1:06.71 | 01.01 | 0.67 | 31.37s | 5. | 2  |  | 8. Rachel Nicol |  CAN | 1:06.73 | 01.03 | 0.70 | 31.52s | 6. | 2  |  |  eliminated |  |  below Olympic Qualifyng Time 1:00.25. |  | 9. Jennie Johansson |  SWE | 1:07.06 | 01.36 | 0.72 | 31.02s | 3. | 1  |  | 10.Rikke Moller Pedersen |  DEN | 1:07.07 | 01.37 | 0.74 | 31.67s | 4. | 1  |  | 11.Taylor McKeown |  AUS | 1:07.12 | 01.42 | 0.74 | 32.00s | 5. | 1  |  | 12.Satomi Suzuki |  JPN | 1:07.18 | 01.48 | 0.63 | 31.16s | 7. | 2  |  | 13.Chloe Tutton |  GBR | 1:07.29 | 01.59 | 0.72 | 32.45s | 6. | 1  |  | 14.Viktoria Zeynep Gunes |  TUR | 1:07.41 | 01.71 | 0.72 | 32.18s | 8. | 2  |  | 15.Kanako Watanabe |  JPN | 1:07.43 | 01.73 | 0.70 | 32.31s | 7. | 1  |  | 16.Jessica Vall |  ESP | 1:07.55 | 01.85 | 0.72 | 31.53s | 8. | 1  |   
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| Ranking | time | gap | React | 50m | HR |  | 1. Lillia King |  USA | 1:04.93 | 0.69 | Or | 30.22s | 1. |  | 2. Yuliya Efimova |  RUS | 1:05.79 | 00.01 | 0.71 | 31.44s | 1. |  | 3. Katie Meili |  USA | 1:06.00 | 00.22 | 0.63 | 30.65s | 1. |  | 4. Ruta Meilutyte |  LTU | 1:06.35 | 00.57 | 0.61 | 30.43s | 2. |  | 5. Jinglin Shi |  CHN | 1:06.55 | 00.77 | 0.71 | 31.00s | 3. |  | 6. Rikke Moller Pedersen |  DEN | 1:06.58 | 00.80 | 0.72 | 31.87s | 2. |  | 7. Alia Atkinson |  JAM | 1:06.72 | 00.94 | 0.67 | 31.08s | 2. |  | 8. Taylor McKeown |  AUS | 1:06.73 | 00.95 | 0.73 | 32.08s | 3. |  | 9. Hrafnhildur Luthersdottir |  ISL | 1:06.81 | 01.03 | 0.70 | 31.24s | 4. |  | 10.Jennie Johansson |  SWE | 1:06.84 | 01.06 | 0.72 | 31.34s | 3. |  | 11.Rachel Nicol |  CAN | 1:06.85 | 01.07 | 0.66 | 31.16s | 4. |  | 12.Chloe Tutton |  GBR | 1:06.88 | 01.10 | 0.70 | 32.39s | 4. |  | 13.Satomi Suzuki |  JPN | 1:06.99 | 01.21 | 0.64 | 30.97s | 5. |  | 14.Jessica Vall |  ESP | 1:07.07 | 01.29 | 0.71 | 31.73s | 6. |  | 15.Viktoria Zeynep Gunes |  TUR | 1:07.14 | 01.36 | 0.72 | 31.51s | 5. |  | 16.Kanako Watanabe |  JPN | 1:07.22 | 01.44 | 0.71 | 31.61s | 5. |  |  eliminated |  | 17.Arianna Castiglioni |  ITA | 1:07.32 | 01.54 | 0.68 | 32.37s | 6. |  | 18.Jenna Laukkanen |  FIN | 1:07.35 | 01.57 | 0.67 | 31.47s | 1. |  | 19.Kierra Smith |  CAN | 1:07.41 | 01.63 | 0.79 | 32.32s | 7. |  | 20.Martina Carraro |  ITA | 1:07.56 | 01.78 | 0.63 | 31.52s | 7. |  | 21.Fiona Doyle |  IRL | 1:07.58 | 01.80 | 0.67 | 31.49s | 8. |  | 22.Xinyu Zhang |  CHN | 1:07.59 | 01.81 | 0.68 | 32.20s | 8. |  |  below Olympic Qualifyng Time 1:07.85. |  | 23.Molly Renshaw |  GBR | 1:07.92 | 02.14 | 0.70 | 31.95s | 2. |  | 24.Georgia Bohl |  AUS | 1:07.96 | 02.18 | 0.68 | 31.02s | 6. |  | 25.Anna Sztankovics |  HUN | 1:08.06 | 02.28 | 0.70 | 31.93s | 3. |  | 26.Martina Moravcikova |  CZE | 1:08.50 | 02.72 | 0.78 | 32.43s | 4. |  | 27.Sophie Hansson |  SWE | 1:08.67 | 02.89 | 0.75 | 32.11s | 5. |  | 28.Fanny Lecluyse |  BEL | 1:08.80 | 03.02 | 0.72 | 32.17s | 7. |  | 29.Daria Chikunova |  RUS | 1:09.12 | 03.34 | 0.77 | 32.78s | 8. |  | 30.Amit Ivry |  ISR | 1:09.42 | 03.64 | 0.70 | 32.71s | 6. |  | 31.Maria Romanjuk |  EST | 1:09.49 | 03.71 | 0.69 | 32.69s | 1. |  | 32.Yvette Man Yi Kong |  HKG | 1:09.56 | 03.78 | 0.76 | 32.04s | 7. |  | 33.Jinq En Phee |  MAS | 1:10.22 | 04.44 | 0.70 | 32.69s | 2. |  |  below Olympic Selection Time (OST) 1:10.22. |  | 34.Daria Talanova |  KGZ | 1:10.94 | 05.16 | 0.76 | 33.74s | 3. |  | 35.Tjasa Vozel |  SLO | 1:11.15 | 05.37 | 0.72 | 33.21s | 8. |  | 36.Tatiana Chisca |  MDA | 1:11.37 | 05.59 | 0.70 | 32.56s | 4. |  | 37.Evita Elisabeth Leter |  SUR | 1:14.96 | 09.18 | 0.70 | 33.05s | 5. |  | 38.Pilar Shimizu |  GUM | 1:16.65 | 10.87 | 0.73 | 34.52s | 6. |  | 39.Izzy Shne Yana Kamry Joachim |  VIN | 1:17.37 | 11.59 | 0.77 | 35.10s | 7. |  | 40.Jamila Lunkuse |  UGA | 1:19.64 | 13.86 | 0.74 | 36.82s | 8. |  | 41.Darya Semyonova |  TKM | 1:19.84 | 14.06 | 0.85 | 36.12s | 1. |  | 42.Rechael Tonjor |  NGR | 1:21.43 | 15.65 | 0.87 | 36.41s | 2. |  | 43.Teona Bostashvili |  GEO | 1:22.91 | 17.13 | 0.77 | 37.92s | 3. |  | 44.Daniah Hagul |  LBA | 1:25.47 | 19.69 | 0.75 | 40.06s | 4. |   
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| Olympic Qualifyng Time (OQT) 1:07.85 - NOC can enter up to 2 swimmers with OQT. |  | Olympic Selection Time (OST) 1:10.22, 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 - 29 Swimmers - additional 14 Swimmers. |  |  Olympic Qualifying Time – 1:07.85 |  |  2 Quotas - 9 NOC |  | 2 |  Australia | Georgia Bohl | Taylor McKeown |  | 2 |  Canada | Rachel Nicol | Kierra Smith |  | 2 |  China | Shi Jinglin | Zhang Xinyu |  | 2 |  Great_Britain | Molly Renshaw | Chloe Tutton |  | 2 |  Italy | Martina Carraro | Arianna Castiglioni |  | 2 |  Japan | Satomi Suzuki | Kanako Watanabe |  | 2 |  Russia | Daria Chikunova | Yuliya Yefimova |  | 2 |  Sweden | Sophie Hansson | Jennie Johansson |  | 2 |  United_States | Lilly King | Katie Meili |  |  1 Quota - 11 NOC |  | 1 |  Belgium | Fanny Lecluyse |  | 1 |  Denmark | Rikke Møller Pedersen |  | 1 |  Finland | Jenna Laukkanen |  | 1 |  Hong Kong | Yvette Kong |  | 1 |  Iceland | Hrafnhildur Lúthersdóttir |  | 1 |  Ireland | Fiona Doyle |  | 1 |  Israel | Amit Ivry |  | 1 |  Jamaica | Alia Atkinson |  | 1 |  Lithuania | Meilutytė Rūta |  | 1 |  Spain | Jessica Vall |  | 1 |  Turkey | Zeynep Güneş |  |  Olympic Selection Time – 1:10.22 - 5 NOC |  | 1 |  Estonia | Maria Romanjuk | [b] |  | 1 |  Hungary | Anna Sztankovics | [a] |  | 1 |  Malaysia | Phee Jinq En | [b] |  | 1 |  Moldova | Tatiana Chişca | [b] |  | 1 |  Slovenia | Tjaša Vozel |  |  Universalitiy Places - 9 NOC |  | 1 |  Georgia | Teona Bostashvili |  | 1 |  Guam | Pilar Shimizu |  | 1 |  Kyrgyzstan | Dariya Talanova |  | 1 |  Libya | Daniah Hagul |  | 1 |  Nigeria | Rechael Tonjor |  | 1 |  St Vincent Gren. | Izzy Joachim |  | 1 |  Suriname | Evita Leter |  | 1 |  Turkmenistan | Darya Semyonova |  | 1 |  Uganda | Jamila Lunkuse |  | 43 | Total |   
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