| Event: | Women's 800 metre freestyle |
| Competition: | 2022 FINA World Swimming Championships (25 m) |
| Venue: | Melbourne Sports and Aquatic Centre |
| Location: | Melbourne, Australia |
| Dates: | 14 December |
| Competitors: | 22 |
| Nations: | 18 |
| Win Value: | 8:04.07 |
| Gold: | Lani Pallister |
| Goldnoc: | AUS |
| Silver: | Erika Fairweather |
| Silvernoc: | NZL |
| Bronze: | Miyu Namba |
| Bronzenoc: | JPN |
| Prev: | 2021 |
| Next: | 2024 |
The Women's 800 metre freestyle competition of the 2022 FINA World Swimming Championships (25 m) was held on 14 December 2022.[1]
Prior to the competition, the existing world and championship records were as follows.
The slowest heats were held at 11:19, and the fastest heat at 19:42.[2] [3]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 3 | 4 | Lani Pallister | 8:04.07 | ||||
| 3 | 7 | Erika Fairweather | 8:10.41 | ||||
| 3 | 6 | Miyu Namba | 8:12.98 | NR | |||
| 4 | 3 | 5 | 8:14.24 | ||||
| 5 | 3 | 2 | Merve Tuncel | 8:17.89 | |||
| 6 | 3 | 8 | Jillian Cox | 8:20.95 | |||
| 7 | 3 | 3 | Zhang Ke | 8:24.24 | |||
| 8 | 2 | 3 | Gabrielle Roncatto | 8:25.45 | |||
| 9 | 2 | 4 | 8:25.46 | ||||
| 10 | 2 | 6 | Imani de Jong | 8:25.84 | |||
| 11 | 2 | 5 | 8:29.92 | ||||
| 12 | 2 | 2 | Alexa Reyna | 8:35.32 | |||
| 13 | 2 | 7 | Jamie Perkins | 8:36.26 | |||
| 14 | 2 | 1 | Paula Otero | 8:37.61 | |||
| 15 | 1 | 5 | Stephanie Houtman | 8:39.15 | |||
| 16 | 1 | 4 | Sasha Gatt | 8:40.76 | |||
| 17 | 1 | 3 | Klara Bošnjak | 8:49.67 | |||
| 18 | 2 | 8 | Iman Avdić | 8:58.28 | |||
| 19 | 1 | 6 | Kuo Jui-an | 9:01.45 | |||
| 20 | 1 | 7 | Natalia Kuipers | 9:03.17 | |||
| 21 | 1 | 2 | Gabriella Doueihy | 9:11.60 | |||
| 3 | 1 | DNS |