| Event: | Girls' 800 metre freestyle |
| Competition: | 2014 Summer Youth Olympics |
| Venue: | Nanjing Olympic Sports Centre |
| Dates: | 19 August |
| Competitors: | 27 |
| Nations: | 24 |
| Win Value: | 8:35.39 |
| Gold: | Simona Quadarella |
| Goldnoc: | ITA |
| Silver: | Jimena Pérez |
| Silvernoc: | ESP |
| Bronze: | Joanna Evans |
| Bronzenoc: | BAH |
| Next: | 2018 |
The girls' 800 metre freestyle event in swimming at the 2014 Summer Youth Olympics took place on 19 August at the Nanjing Olympic Sports Centre in Nanjing, China.[1]
This event was a timed-final where each swimmer swam just once. The top 8 seeded swimmers swam in the evening, and the remaining swimmers swam in the morning sessions.
The first round was held on August 19, at 11:02, and the final was held on August 19, at 18:00.
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 3 | 2 | 8:35.39 | |||||
| 4 | 4 | 8:36.95 | |||||
| 3 | 1 | 8:39.75 | |||||
| 4 | 4 | 8 | 8:41.13 | ||||
| 5 | 4 | 1 | 8:41.53 | ||||
| 6 | 4 | 2 | 8:42.80 | ||||
| 7 | 4 | 5 | 8:44.61 | ||||
| 7 | 4 | 3 | 8:44.61 | ||||
| 9 | 4 | 7 | 8:47.71 | ||||
| 10 | 3 | 4 | 8:49.76 | ||||
| 11 | 3 | 3 | 8:50.49 | ||||
| 12 | 3 | 5 | 8:54.50 | ||||
| 13 | 3 | 6 | 8:57.83 | ||||
| 14 | 2 | 5 | 8:58.78 | ||||
| 15 | 2 | 7 | 8:59.38 | ||||
| 16 | 4 | 6 | 9:00.16 | ||||
| 17 | 3 | 8 | 9:00.61 | ||||
| 18 | 3 | 7 | 9:01.61 | ||||
| 19 | 2 | 3 | 9:02.57 | ||||
| 20 | 2 | 6 | 9:09.78 | ||||
| 21 | 2 | 2 | 9:15.99 | ||||
| 22 | 1 | 4 | 9:16.46 | ||||
| 23 | 1 | 5 | 9:23.43 | ||||
| 24 | 2 | 8 | Irene Kyza | 9:24.58 | |||
| 25 | 1 | 3 | 9:26.26 | ||||
| 26 | 2 | 4 | 9:27.01 | ||||
| 27 | 2 | 1 | 9:28.68 |