| Final 18:11 |   | time | gap | L | Y | pts | 200m | 400m | 600m |  | 1. Katie Ledecky |   United States | 15:30.15 |   | 4 | 25 | 969 | 4:04.25 | 8:13.06 | 12:24.20 |  | 2. Katie Grimes |   United States | 15:44.89 | +14.74s | 3 | 16 | 924 | 4:07.38 | 8:21.26 | 12:35.17 |  | 3. Lani Pallister |   Australia | 15:48.96 | +18.81s | 6 | 20 | 912 | 4:08.27 | 8:20.46 | 12:36.26 |  | 4. Moesha Johnson |   Australia | 15:55.75 | +25.60s | 2 | 24 | 893 | 4:10.84 | 8:25.40 | 12:42.37 |  | 5. Simona Quadarella |   Italy | 16:03.84 | +33.69s | 5 | 23 | 871 | 4:10.61 | 8:28.28 | 12:51.17 |  | 6. Beatriz Dizotti |   Brazil | 16:05.25 | +35.10s | 7 | 22 | 867 | 4:15.34 | 8:35.04 | 12:53.39 |  | 7. Viviane Jungblut |   Brazil | 16:13.89 | +43.74s | 1 | 25 | 844 | 4:15.48 | 8:34.23 | 12:55.99 |  | 8. Kristel Kobrich |   Chile | 16:20.24 | +50.09s | 8 | 36 | 828 | 4:18.00 | 8:38.91 | 13:01.59 |   
| World Record: Katie Ledecky, United States 15:20.48 Indianapolis, IA, United States 16th May 2018 |  | World Championship Record: Katie Ledecky, United States 15:25.48 Kazan, Russia 4th August 2015 |   
|
 Heats - Sunday, 19th June 10:17 |  | Best 8 times advanced to Final.  |   
| Heat 3 10:55 |   | time | gap | L | Y | pts | Rk | 200m | 400m | 600m  |  | 1. Katie Ledecky |   United States | 15:47.02 |   | 4 | 25 | 918 | 1. | 4:08.56 | 8:21.82 | 12:38.41 |  | 2. Katie Grimes |   United States | 15:57.05 | +10.03s | 5 | 16 | 889 | 3. | 4:11.45 | 8:27.36 | 12:44.61 |  | 3. Viviane Jungblut |   Brazil | 16:09.27 | +22.25s | 7 | 25 | 856 | 7. | 4:17.16 | 8:34.07 | 12:54.02 |  | 4. Bingjie Li |   China | 16:13.92 | +26.90s | 3 | 20 | 844 | 9. | 4:14.56 | 8:34.64 | 12:57.93 |  | 5. Miyu Namba |   Japan | 16:20.45 | +33.43s | 2 | 20 | 827 | 10. | 4:15.15 | 8:36.91 | 13:02.41 |  | 6. Viktoria Mihalyvari-Farkas |   Hungary | 16:26.21 | +39.19s | 6 | 18 | 813 | 12. | 4:17.78 | 8:38.84 | 13:04.54 |  | 7. Caitlin Deans |   New Zealand | 16:30.47 | +43.45s | 9 | 22 | 802 | 13. | 4:21.03 | 8:45.83 | 13:12.54 |  | 8. Angela Martinez Guillen |   Spain | 16:38.39 | +51.37s | 8 | 18 | 783 | 15. | 4:20.93 | 8:47.52 | 13:17.16 |  | 9. Katrina Bellio |   Canada | 16:54.55 | +1:07.53 | 0 | 17 | 746 | 19. | 4:20.59 | 8:50.91 | 13:27.99 |  | -. Marlene Kahler |   Austria | DNS |   | 1 | 21 | - | -. |   |   |   |   
| Heat 2 10:37 |   | time | gap | L | Y | pts | Rk | 200m | 400m | 600m  |  | 1. Simona Quadarella |   Italy | 15:56.19 | +9.17s | 4 | 23 | 892 | 2. | 4:12.14 | 8:27.74 | 12:44.27 |  | 2. Lani Pallister |   Australia | 15:57.61 | +10.59s | 5 | 20 | 888 | 4. | 4:12.20 | 8:28.02 | 12:45.02 |  | 3. Moesha Johnson |   Australia | 15:57.77 | +10.75s | 3 | 24 | 887 | 5. | 4:13.62 | 8:28.33 | 12:45.06 |  | 4. Beatriz Dizotti |   Brazil | 16:08.35 | +21.33s | 8 | 22 | 858 | 6. | 4:16.06 | 8:35.20 | 12:54.52 |  | 5. Kristel Kobrich |   Chile | 16:13.52 | +26.50s | 6 | 36 | 845 | 8. | 4:17.31 | 8:36.57 | 12:57.16 |  | 6. Diana Duraes |   Portugal | 16:25.23 | +38.21s | 0 | 26 | 815 | 11. | 4:20.47 | 8:44.45 | 13:08.23 |  | 7. Ke Zhang |   China | 16:42.92 | +55.90s | 2 | 21 | 773 | 16. | 4:19.32 | 8:45.53 | 13:19.09 |  | 8. Abby Dunford |   Canada | 16:46.01 | +58.99s | 1 | 16 | 766 | 17. | 4:22.24 | 8:51.55 | 13:22.67 |  | 9. Dakyung Han |   South Korea | 16:47.45 | +1:00.43 | 9 | 22 | 762 | 18. | 4:23.02 | 8:53.04 | 13:25.25 |  | 10.Paula Otero Fernandez |   Spain | 16:57.76 | +1:10.74 | 7 | 18 | 739 | 20. | 4:22.45 | 8:53.83 | 13:30.48 |   
| Heat 1 10:17 |   | time | gap | L | Y | pts | Rk | 200m | 400m | 600m  |  | 1. Ching Hwee Gan |   Singapore | 16:32.43 | +45.41s | 4 | 18 | 797 | 14. | 4:20.16 | 8:45.29 | 13:12.48 |  | 2. Stephanie Houtman |   South Africa | 17:08.12 | +1:21.10 | 5 | 19 | 717 | 21. | 4:27.36 | 9:02.71 | 13:40.40 |  | 3. Thi My Tien Vo |   Vietnam | 17:14.54 | +1:27.52 | 3 | 16 | 704 | 22. | 4:31.45 | 9:06.80 | 13:43.32 |  | 4. Tsz Yin Nip |   Hong Kong | 17:15.64 | +1:28.62 | 7 | 22 | 702 | 23. | 4:31.51 | 9:08.36 | 13:48.82 |  | 5. Yarinda Sunthornrangsri |   Thailand | 17:26.95 | +1:39.93 | 6 | 14 | 679 | 24. | 4:37.53 | 9:17.25 | 13:57.33 |  | 6. Chia Tong Goh |   Malaysia | 17:33.03 | +1:46.01 | 2 | 19 | 667 | 25. | 4:37.75 | 9:17.91 | 14:01.57 |  | 7. Var Eidesgaard |   Faroe | 17:36.49 | +1:49.47 | 1 | 21 | 661 | 26. | 4:37.93 | 9:20.34 | 14:05.11 |   
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