| Rank | Lane | Name | Nationality | Time | Notes |
| - | 4 | Katie Ledecky | United States | 8:04.79 | WR |
| - | 3 | Jazmin Carlin | Great Britain | 8:16.17 | - |
| - | 5 | Boglárka Kapás | Hungary | 8:16.37 | NR |
| 4 | 8 | Mireia Belmonte | Spain | 8:18.55 | NR |
| 5 | 7 | Jessica Ashwood | Australia | 8:20.32 | - |
| 6 | 6 | Leah Smith | United States | 8:20.95 | - |
| 7 | 2 | Lotte Friis | Denmark | 8:24.50 | - |
| 8 | 1 | Sarah Köhler | Germany | 8:27.75 | - |