Datasets:
| 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 - | |