| | Final | 19:50 | time |  | gap | L |  | 1. |  United States | 7:41.45 | CR |  | 3 | 1. |  |  | Claire Weinstein 1:56.71, Leah Smith 1:56.47, Katie Ledecky 1:53.67, Bella Sims 1:54.60 |  | 2. |  Australia | 7:43.86 |  |  | 4 | 2. |  |  | Madison Wilson 1:56.74, Leah Neale 1:55.27, Kiah Melverton 1:55.91, Mollie O'Callaghan 1:55.94 |  | 3. |  Canada | 7:44.76 |  |  | 6 | 3. |  |  | Summer McIntosh 1:54.79 WJ, Kayla Sanchez 1:57.39, Taylor Ruck 1:56.75, Penny Oleksiak 1:55.83 |  | 4. |  China | 7:45.72 |  |  | 5 | 4. |  |  | Tang Muhan 1:58.10, Li Bingjie 1:56.67, Ai Yanhan 1:56.77, Yang Junxuan 1:54.18 |  | 5. |  Hungary | 7:57.90 |  |  | 2 | 5. |  |  | Nikolett Pádár 1:58.01, Dóra Molnár 1:59.76, Ajna Késely 1:59.69, Boglárka Kapás 2:00.44 |  | 6. |  Brazil | 7:58.38 |  |  | 7 | 6. |  |  | Stephanie Balduccini 1:59.00, Giovanna Diamante 1:59.37, Aline Rodrigues 2:00.43, Maria Paula Heitmann 1:59.58 |  | 7. |  New Zealand | 7:59.08 |  |  | 8 | 7. |  |  | Erika Fairweather 1:58.24, Eve Thomas 1:59.17, Caitlin Deans 2:01.57, Laura Littlejohn 2:00.10 |  | 8. |  Japan | 8:00.03 |  |  | 1 | 8. |  |  | Momoka Yoshii 2:01.67, Miyu Namba 1:58.52, Aoi Masuda 1:59.70, Waka Kobori 2:00.14 | 
 | 58 Competitors from 12 Nations. | 
 |
 | Heats - Wednesday, 22nd June 10:11 |  | Best 8 times advanced to Final. | 
 | Heat 2 |  | time |  | gap | L | Rk. |  | 1. |  Australia | 7:47.61 | Q |  | 5 | 1. |  |  | Leah Neale 1:57.03, Lani Pallister 1:56.86, Brianna Throssell 1:57.23, Kiah Melverton 1:56.49 |  | 2. |  China | 7:49.08 | Q |  | 4 | 2. |  |  | Li Bingjie 1:57.55, Lao Lihui 1:56.91, Ge Chutong 1:57.92, Ai Yanhan 1:56.70 |  | 3. |  Japan | 7:58.67 | Q |  | 6 | 7. |  |  | Momoka Yoshii 2:01.50, Miyu Namba 1:57.31, Aoi Masuda 1:59.97, Waka Kobori 1:59.89 |  | 4. |  Great Britain | 7:59.87 | Q, Wd |  | 3 | 8. |  |  | Freya Anderson 1:59.96, Medi Harris 2:01.91, Freya Colbert 1:59.24, Lucy Hope 1:58.76 |  | 5. |  Austria | 8:07.85 |  |  | 7 | 10. |  |  | Marlene Kahler 2:01.28, Cornelia Pammer 2:02.23, Lena Kreundl 2:01.16, Lena Opatril 2:03.18 |  | 6. |  Israel | 8:08.20 |  |  | 2 | 11. |  |  | Lea Polonsky 2:02.62, Anastasia Gorbenko 1:59.88, Aviv Barzelay 2:04.50, Daria Golovaty 2:01.20 | 
 | Heat 1 |  | time |  | gap | L | Rk. |  | 1. |  United States | 7:49.25 | Q |  | 4 | 3. |  |  | Alexandra Walsh 1:57.94, Claire Weinstein 1:58.35, Hali Flickinger 1:57.05, Bella Sims 1:55.91 |  | 2. |  Canada | 7:53.59 | Q |  | 5 | 4. |  |  | Mary-Sophie Harvey 1:57.94, Katerine Savard 1:58.41, Rebecca Smith 1:59.03, Taylor Ruck 1:58.21 |  | 3. |  Hungary | 7:56.52 | Q |  | 3 | 5. |  |  | Zsuzsanna Jakabos 2:00.25, Nikolett Pádár 1:57.48, Ajna Késely 1:59.37, Dóra Molnár 1:59.42 |  | 4. |  Brazil | 7:57.93 | Q |  | 6 | 6. |  |  | Stephanie Balduccini 1:58.64, Giovanna Diamante 1:59.57, Aline Rodrigues 2:00.31, Maria Paula Heitmann 1:59.41 |  | 5. |  New Zealand | 8:04.87 | Q |  | 2 | 9. |  |  | Erika Fairweather 1:58.88, Eve Thomas 2:00.00, Caitlin Deans 2:03.42, Laura Littlejohn 2:02.57 |  | 6. |  South Korea | 8:13.00 |  |  | 7 | 12. |  |  | Kim Seo-yeong 1:59.65, Jung Hyun-young 2:04.39, Hur Yeon-kyung 2:06.41, Jo Hyun-ju 2:02.55 | 
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