|   | Final 21:40 | time | gap | L | pts | _______ |  | 1. |   United States | 3:52.08 |   | 5 | 978 |   | >Regan Smith 57.68s, Lilly King 2:02.61, Gretchen Walsh 2:59.67, Kate Douglass 3:52.08 |  | 2. |   Australia | 3:53.37 | +1.29 | 6 | 962 |   | Kaylee Mckeown 57.91s, Abbey Harkin 2:04.98, Emma Mckeon 3:01.42, Mollie O'Callaghan 3:53.37 |  | 3. |   Canada | 3:54.12 | +2.04 | 4 | 953 |   | Kylie Masse 58.74s, Sophie Angus 2:04.95, Margaret Macneil 3:00.64, Summer McIntosh 3:54.12 |  | 4. |   China | 3:54.57 | +2.49 | 7 | 947 |   | Letian Wan 59.49s, Qianting Tang 2:05.62, Yufei Zhang 3:01.12, Yujie Cheng 3:54.57 |  | 5. |   Sweden | 3:56.32 | +4.24 | 3 | 926 |   | Michelle Coleman 1:01.08s, Sophie Hansson 2:07.42, Louise Hansson 3:04.24, Sarah Sjoestroem 3:56.32 |  | 6. |   Japan | 3:58.02 | +5.94 | 8 | 906 |   | Rio Shirai 1:00.96s, Satomi Suzuki 2:06.69, Ai Soma 3:04.36, Rikako Ikee 3:58.02 |  | 7. |   Netherlands | 3:58.09 | +6.01 | 2 | 906 |   | Kira Toussaint 1:00.34s, Tes Schouten 2:07.25, Kim Busch 3:06.13, Marrit Steenbergen 3:58.09 |  | 8. |   France | 3:59.24 | +7.16 | 1 | 893 |   | Pauline Mahieu 1:00.12s, Charlotte Bonnet 2:06.90, Marie Wattel 3:04.62, Lison Nowaczyk 3:59.24 |   
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 Heats - Sunday, 30th July 11:20 |  | Best 8 times advanced to Final.  |   
|   | Heat 3 11:31 | time | gap | L | pts | _______ |  | 1. |   Canada | 3:55.93 |   | 5 | 931 | 1. |  |  | Ingrid Wilm 59.11s, Sophie Angus 2:05.41, Margaret Macneil 3:01.94, Mary-Sophie Harvey 3:55.93 |  | 2. |   United States | 3:56.31 | +0.38s | 4 | 926 | 2. |  |  | Katharine Berkoff 58.56s, Lydia Jacoby 2:06.29, Torri Huske 3:03.71, Abbey Weitzeil 3:56.31 |  | 3. |   France | 3:58.54 | +2.61s | 3 | 901 | 7. |  |  | Pauline Mahieu 59.82s, Charlotte Bonnet 2:06.69, Marie Wattel 3:03.77, Lison Nowaczyk 3:58.54 |  | 4. |   Great Britain | 3:58.95 | +3.02s | 2 | 896 | 9. |  |  | Lauren COX 59.79s, Kara Hanlon 2:07.18, Laura Stephens 3:05.84, Anna Hopkin 3:58.95 |  | 5. |   Italy | 4:00.67 | +4.74s | 6 | 877 | 11. |  |  | Margherita Panziera 1:00.60s, Martina Carraro 2:06.99, Ilaria Bianchi 3:06.07, Sofia Morini 4:00.67 |  | 6. |   Germany | 4:00.71 | +4.78s | 8 | 876 | 12. |  |  | Laura Riedemann 1:01.68s, Anna Elendt 2:08.91, Angelina Kohler 3:05.68, Nele Schulze 4:00.71 |  | 7. |   Ireland | 4:01.25 | +5.32s | 9 | 871 | 13. |  |  | Danielle Hill 1:01.65s, Mona Mc Sharry 2:07.20, Ellen Walshe 3:06.39, Victoria Catterson 4:01.25 |  | 8. |   Israel | 4:05.57 | +9.64s | 7 | 825 | 19. |  |  | Aviv Barzelay 1:02.13s, Anastasia Gorbenko 2:09.07, Lea Polonsky 3:09.55, Daria Golovaty 4:05.57 |  | 9. |   Spain | 4:05.85 | +9.92s | 0 | 823 | 20. |  |  | Carmen Weiler Sastre 1:01.46s, Jessica Vall Montero 2:09.78, Paula Juste Sanchez 3:10.05, Ainhoa Campabadal Amezcua 4:05.85 |  | 10. |   Brazil | 4:05.86 | +9.93s | 1 | 822 | 21. |  |  | Julia Goes 1:03.96s, Jhennifer Conceicao 2:12.44, Giovanna Tomanik Diamante 3:11.76, Stephanie Balduccini 4:05.86 |   
|   | Heat 2 11:25 | time | gap | L | pts | _______ |  | 1. |   Sweden | 3:57.49 | +1.56s | 5 | 913 | 3. |  |  | Michelle Coleman 1:01.51s, Sophie Hansson 2:08.18, Louise Hansson 3:05.08, Sarah Sjoestroem 3:57.49 |  | 2. |   Australia | 3:57.74 | +1.81s | 4 | 910 | 4. |  |  | Madison Wilson 59.54s, Abbey Harkin 2:07.20, Brianna Throssell 3:04.92, Meg Harris 3:57.74 |  | 3. |   Netherlands | 3:57.81 | +1.88s | 3 | 909 | 5. |  |  | Kira Toussaint 1:00.57s, Tes Schouten 2:07.36, Kim Busch 3:05.82, Marrit Steenbergen 3:57.81 |  | 4. |   China | 3:58.13 | +2.20s | 6 | 905 | 6. |  |  | Xueer Wang 1:00.42s, Chang Yang 2:07.54, Yichun Wang 3:04.71, Qingfeng Wu 3:58.13 |  | 5. |   Japan | 3:58.58 | +2.65s | 7 | 900 | 8. |  |  | Rio Shirai 1:00.60s, Reona Aoki 2:07.17, Ai Soma 3:04.65, Rikako Ikee 3:58.58 |  | 6. |   Poland | 4:00.23 | +4.30s | 2 | 882 | 10. |  |  | Adela Piskorska 1:00.47s, Dominika Sztandera 2:07.48, Paulina Peda 3:06.05, Kornelia Fiedkiewicz 4:00.23 |  | 7. |   Denmark | 4:03.33 | +7.40s | 0 | 848 | 14. |  |  | Julie Kepp Jensen 1:03.33s, Thea Blomsterberg 2:10.25, Helena Rosendahl Bach 3:08.76, Signe Bro 4:03.33 |  | 8. |   South Korea | 4:05.16 | +9.23s | 1 | 830 | 18. |  |  | Eunji LEE 1:01.31s, Sehyun Kwon 2:11.25, Seoyeong KIM 3:10.99, Yeonkyung Hur 4:05.16 |  | 9. |   Thailand | 4:20.43 | +24.50s | 9 | 692 | 23. |  |  | Saovanee Boonamphai 1:06.39s, Phiangkhwan Pawapotako 2:18.64, Kamonchanok Kwanmuang 3:20.61, Jenjira Srisa - Ard 4:20.43 |  | -. |   Hungary | DNS |   | 8 |   |   |  |  |
  
|   | Heat 1 11:20 | time | gap | L | pts | _______ |  | 1. |   Belgium | 4:04.54 | +8.61s | 6 | 836 | 15. |  |  | Roos Vanotterdijk 1:00.91s, Florine Gaspard 2:10.05, Valentine Dumont 3:09.14, Fleur Verdonck 4:04.54 |  | 2. |   Hong Kong | 4:04.89 | +8.96s | 3 | 832 | 16. |  |  | Hoi Shun Stephanie Au 1:00.75s, Siobhan Bernadette Haughey 2:08.24, Hoi Lam TAM 3:09.20, Camille Lily Mei Cheng 4:04.89 |  | 3. |   Greece | 4:04.99 | +9.06s | 4 | 831 | 17. |  |  | Theodora Drakou 1:00.71s, Eleni Kontogeorgou 2:10.94, Anna Ntountounaki 3:09.20, Maria Thaleia Drasidou 4:04.99 |  | 4. |   Mexico | 4:06.85 | +10.92s | 5 | 813 | 22. |  |  | Miranda Grana Perez 1:02.11s, Byanca Melissa Rodriguez Villanueva 2:10.91, Maria Jose Mata Cocco 3:10.45, Athena Meneses Kovacs 4:06.85 |   
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