| Final Friday 12.08 | time | gap | L | React. | 200m | 400m | 600m | | 1. Kathleen Genevieve Ledecky |  USA | 8:04.79 | WR | 4 | 0.70 | 1:59.42 | 1. | 4:01.98 | 1. | 6:04.30 | 1. | | 2. Jaz Carlin |  GBR | 8:16.17 | 11.38 | 3 | 0.74 | 2:02.01 | 2. | 4:07.47 | 2. | 6:13.13 | 3. | | 3. Boglarka Kapas |  HUN | 8:16.37 | 11.58 | 5 | 0.68 | 2:03.09 | 4. | 4:07.57 | 3. | 6:12.86 | 2. | | 4. Mireia Belmonte |  ESP | 8:18.55 | 13.76 | 8 | 0.67 | 2:02.62 | 3. | 4:08.14 | 4. | 6:14.18 | 4. | | 5. Jessica Ashwood |  AUS | 8:20.32 | 15.53 | 7 | 0.78 | 2:03.67 | 8. | 4:10.78 | 7. | 6:16.83 | 5. | | 6. Leah Smith | USA | 8:20.95 | 16.16 | 6 | 0.76 | 2:03.58 | 6. | 4:10.61 | 6. | 6:17.34 | 7. | | 7. Lotte Friis |  DEN | 8:24.50 | 19.71 | 2 | 0.78 | 2:03.23 | 5. | 4:10.06 | 5. | 6:17.23 | 6. | | 8. Sarah Kohler |  GER | 8:27.75 | 22.96 | 1 | 0.73 | 2:03.60 | 7. | 4:10.91 | 8. | 6:19.56 | 8. |
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| Ranking | time | gap | React. | 200m | 400m | 600m | HR | Heat | | 1. Katie Ledecky | USA | 8:12.86 | OR | 0.70 | 2:01.01 | 4:05.07 | 6:09.04 | 1. | 4 | | 2. Boglarka Kapas | HUN | 8:19.43 | 6.57 | 0.72 | 2:03.04 | 4:07.97 | 6:13.88 | 2. | 4 | | 3. Jaz Carlin | GBR | 8:19.67 | 6.81 | 0.75 | 2:01.85 | 4:07.07 | 6:14.20 | 3. | 4 | | 4. Leah Smith | USA | 8:21.43 | 8.57 | 0.77 | 2:02.84 | 4:10.08 | 6:17.26 | 4. | 4 | | 5. Lotte Friis | DEN | 8:22.54 | 9.68 | 0.75 | 2:02.39 | 4:08.73 | 6:15.52 | 1. | 3 | | 6. Jessica Ashwood | AUS | 8:22.57 | 9.71 | 0.77 | 2:03.89 | 4:10.51 | 6:16.63 | 2. | 3 | | 7. Sarah Kohler | GER | 8:24.65 | 11.79 | 0.74 | 2:03.23 | 4:10.37 | 6:17.58 | 5. | 4 | | 8. Mireia Belmonte | ESP | 8:25.55 | 12.69 | 0.69 | 2:05.26 | 4:13.25 | 6:20.47 | 1. | 2 | | eliminated | | 9. Lauren Boyle |  NZL | 8:25.84 | 12.98 | 0.72 | 2:04.47 | 4:11.35 | 6:18.83 | 3. | 3 | | 10.Brittany Maclean |  CAN | 8:26.43 | 13.57 | 0.73 | 2:03.72 | 4:11.07 | 6:19.27 | 4. | 3 | | 11.Yawen Hou |  CHN | 8:30.59 | 17.73 | 0.81 | 2:04.84 | 4:12.69 | 6:22.02 | 6. | 4 | | 12.Andreina Pinto |  VEN | 8:30.92 | 18.06 | 0.75 | 2:06.86 | 4:15.69 | 6:23.50 | 2. | 2 | | 13.Tjasa Oder |  SLO | 8:33.14 | 20.28 | 0.74 | 2:05.63 | 4:14.37 | 6:24.14 | 7. | 4 | | 14.Eva Risztov | HUN | 8:33.36 | 20.50 | 0.80 | 2:06.11 | 4:15.90 | 6:25.04 | 1. | 1 | | 15.Camilla Hattersley | GBR | 8:33.65 | 20.79 | 0.72 | 2:05.82 | 4:14.66 | 6:24.73 | 3. | 2 | | 16.Emma Robinson | NZL | 8:33.73 | 20.87 | 0.72 | 2:06.23 | 4:15.09 | 6:25.19 | 4. | 2 | | 17.Kristel Kobrich |  CHI | 8:34.34 | 21.48 | 0.81 | 2:06.70 | 4:16.27 | 6:25.11 | 5. | 2 | | 18.Yuhan Zhang | CHN | 8:35.32 | 22.46 | 0.71 | 2:05.37 | 4:16.05 | 6:27.22 | 5. | 3 | | 19.Maria Vilas | ESP | 8:36.43 | 23.57 | 0.68 | 2:05.76 | 4:15.60 | 6:26.88 | 6. | 3 | | 20.Tamsin Cook | AUS | 8:36.62 | 23.76 | 0.69 | 2:06.71 | 4:17.30 | 6:27.84 | 7. | 3 | | 21.Julia Hassler |  LIE | 8:38.19 | 25.33 | 0.80 | 2:05.85 | 4:15.54 | 6:26.32 | 2. | 1 | | 22.Valerie Gruest |  GUA | 8:39.80 | 26.94 | 0.68 | 2:05.97 | 4:16.97 | 6:29.57 | 3. | 1 | | 23.Joanna Evans |  BAH | 8:42.93 | 30.07 | 0.79 | 2:06.54 | 4:15.89 | 6:29.25 | 6. | 2 | | 24.Tamila Holub |  POR | 8:45.36 | 32.50 | 0.84 | 2:07.64 | 4:19.45 | 6:32.86 | 4. | 1 | | 25.Leonie Beck | GER | 8:47.47 | 34.61 | 0.84 | 2:07.76 | 4:21.00 | 6:34.75 | 7. | 2 | | 26.Arina Openysheva |  RUS | 8:48.89 | 36.03 | 0.68 | 2:08.95 | 4:24.08 | 6:37.44 | 5. | 1 | | 27.Taita Te Flan | BAH | 8:07.21 | 54.35 | 0.85 | 2:12.41 | 4:30.05 | 6:49.02 | 6. | 1 | | -. Martina de Memme |  ITA | DNS | | | | | | | 2 | | -. Anja Klinar | SLO | DNS | | | | | | | 3 | | -. Sharon van Rouwendaal |  NED | DNS | | | | | | | 4 |
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| Olympic Qualifyng Time (OQT) 8:33.97 - NOC can enter up to 2 swimmers with OQT. | | Olympic Selection Time (OST) 8:51.96, 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 - 29 Swimmers - additional 3 Swimmers. | | Olympic Qualifying Time – 8:33.97 | | 2 Quotas - 10 NOC | | 2 |  Australia | Jessica Ashwood | Tamsin Cook | | 2 |  China | Hou Yawen | Zhang Yuhan | | 2 |  Germany | Leonie Beck | Sarah Köhler | | 2 |  Great_Britain | Jazmin Carlin | Camilla Hattersley | | 2 |  Hungary | Boglárka Kapás | Risztov éva | | 2 |  Italy | Diletta Carli | Martina De Memme | | 2 |  New_Zealand | Lauren Boyle | Emma Robinson | | 2 |  Slovenia | Anja Klinar | Tjaša Oder | | 2 |  Spain | Mireia Belmonte | María Vilas | | 2 |  United_States | Katie Ledecky | Leah Smith | | 1 Quota - 9 NOC | | 1 |  Bahamas | Joanna Evans | | 1 |  Canada | Brittany MacLean | | 1 |  Chile | Kristel Köbrich | | 1 |  Denmark | Lotte Friis | | 1 |  France | Coralie Balmy | | 1 |  Guatemala | Valerie Gruest | | 1 |  Netherlands | Sharon van Rouwendaal | | 1 |  Russia | Arina Openysheva | | 1 |  Venezuela | Andreina Pinto | | Olympic Selection Time – 8:51.96 | | 1 |  Liechtenstein | Julia Hassler | [b] | | 1 |  Portugal | Tamila Holub | | Universalitiy Places | | 1 |  Ivory Coast | Talita Te Flan | | 32 | Total |
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