Swimming at the 2017 World Aquatics Championships – Women's 1500 metre freestyle
# Swimming at the 2017 World Aquatics Championships – Women's 1500 metre freestyle

The Women's 1500 metre freestyle competition at the 2017 World Championships was held on 24 and 25 July 2017.

## Records

Prior to the competition, the existing world and championship records were as follows.

| World record | Katie Ledecky (USA) | 15:25.48 | Kazan, Russia | 4 August 2015 |
| - | - | - | - | - |
| Competition record | Katie Ledecky (USA) | 15:25.48 | Kazan, Russia | 4 August 2015 |

## Results

### Heats

The heats were held on 24 July at 10:48.

| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - | - |
| 1 | 3 | 4 | Katie Ledecky | United States | 15:47.54 | Q |
| 2 | 3 | 5 | Mireia Belmonte | Spain | 16:05.37 | Q |
| 3 | 2 | 6 | Hou Yawen | China | 16:05.87 | Q |
| 4 | 2 | 5 | Simona Quadarella | Italy | 16:07.08 | Q |
| 5 | 2 | 4 | Boglárka Kapás | Hungary | 16:09.60 | Q |
| 6 | 3 | 6 | Kristel Köbrich | Chile | 16:17.28 | Q |
| 7 | 3 | 1 | Julia Hassler | Liechtenstein | 16:19.16 | Q, NR |
| 8 | 2 | 3 | Ajna Késely | Hungary | 16:20.98 | Q |
| 9 | 3 | 2 | Jimena Pérez | Spain | 16:21.45 | |
| 10 | 3 | 7 | Tamila Holub | Portugal | 16:24.05 | |
| 11 | 3 | 8 | Emma Robinson | New Zealand | 16:25.78 | |
| 12 | 2 | 7 | Celine Rieder | Germany | 16:25.99 | |
| 13 | 2 | 1 | Gaja Natlačen | Slovenia | 16:32.45 | |
| 14 | 2 | 8 | Olivia Anderson | Canada | 16:34.50 | |
| 15 | 3 | 3 | Tjaša Oder | Slovenia | 16:34.86 | |
| 16 | 2 | 2 | Chen Yejie | China | 16:53.74 | |
| 17 | 2 | 0 | María Bramont-Arias | Peru | 17:01.85 | |
| 18 | 3 | 0 | Martina Elhenická | Czech Republic | 17:04.63 | |
| 19 | 1 | 3 | Alicia Mancilla | Guatemala | 17:15.04 | |
| 20 | 1 | 5 | Ho Nam Wai | Hong Kong | 17:17.64 | |
| 21 | 1 | 4 | Samantha Randle | South Africa | 17:22.42 | |
| 22 | 3 | 9 | Souad Cherouati | Algeria | 17:25.00 | |

### Final

The final was held on 25 July at 17:40.

| Rank | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| | 4 | Katie Ledecky | United States | 15:31.82 | |
| | 5 | Mireia Belmonte | Spain | 15:50.89 | NR |
| | 6 | Simona Quadarella | Italy | 15:53.86 | |
| 4 | 2 | Boglárka Kapás | Hungary | 16:06.27 | |
| 5 | 3 | Hou Yawen | China | 16:08.10 | |
| 6 | 7 | Kristel Köbrich | Chile | 16:13.46 | |
| 7 | 1 | Julia Hassler | Liechtenstein | 16:14.86 | NR |
| 8 | 8 | Ajna Késely | Hungary | 16:22.87 | |
