The girls' 400 metre freestyle event at the 2010 Youth Olympic Games took place on August 20 at the Singapore Sports School.
Medalists
edit| Gold | Boglárka Kapás Hungary |
4:10.37 |
| Silver | Kiera Janzen United States |
4:14.28 |
| Bronze | Eleanor Faulkner Great Britain |
4:14.31 |
Heats
editHeat 1
edit| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 3 | Nesrine Khelifati |  Tunisia
|
4:37.37 | |
| 2 | 4 | Saskia Postma |  Aruba
|
4:41.63 | |
| 3 | 5 | Karlene van der Jagt |  Suriname
|
4:45.03 |
Heat 2
edit| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 4 | Stefania Pirozzi |  Italy
|
4.18.36 | Q |
| 1 | 5 | Kiera Janzen |  United States
|
4.18.36 | Q |
| 3 | 3 | Annick van Westendorp |  Switzerland
|
4:20.17 | |
| 4 | 2 | Simona Marinova |  Macedonia
|
4:25.31 | |
| 5 | 7 | Andrea Cedron |  Peru
|
4:27.26 | |
| 6 | 6 | Shahd Mostafa |  Egypt
|
4:27.48 | |
| 7 | 8 | Kaori Miyahara | Peru
|
4:29.27 | |
| 8 | 1 | Marija Joksimović |  Serbia
|
4:32.25 |
Heat 3
edit| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 4 | Eleanor Faulkner |  Great Britain
|
4:14.75 | Q |
| 2 | 5 | Jordan Mattern | United States
|
4:19.51 | Q |
| 3 | 3 | Anna Olasz |  Hungary
|
4:19.71 | Q |
| 4 | 7 | Inga Elin Cryer |  Iceland
|
4:28.68 | |
| 5 | 1 | Wei Li Lai |  Malaysia
|
4:30.92 | |
| 6 | 6 | Natasha de Vos |  South Africa
|
4:33.68 | |
| 7 | 8 | Shannon Austin |  Seychelles
|
4:34.81 | |
| 8 | 2 | Emma McKeon |  Australia
|
DNS |
Heat 4
edit| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 4 | Boglárka Kapás | Hungary
|
4:16.02 | Q |
| 2 | 3 | Claudia Dasca |  Spain
|
4:18.02 | Q |
| 3 | 7 | Julia Hassler |  Liechtenstein
|
4:18.59 | Q |
| 4 | 5 | Chloe Francis |  New Zealand
|
4:22.59 | |
| 5 | 6 | Julia Gerotto |  Brazil
|
4:23.71 | |
| 6 | 2 | Lauren Earp |  Canada
|
4:26.47 | |
| 7 | 8 | Jurate Scerbinskaite |  Lithuania
|
4:33.08 | |
| 8 | 1 | Chriselle Koh |  Singapore
|
4:34.28 |
Final
edit| Rank | Lane | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
|
5 | Boglárka Kapás | Hungary
|
4:10.37 | |
|
2 | Kiera Janzen | United States
|
4:14.28 | |
|
4 | Eleanor Faulkner | Great Britain
|
4:14.31 | |
| 4 | 6 | Stefanie Pirozzi | Italy
|
4:14.61 | |
| 5 | 3 | Claudia Dasca | Spain
|
4:14.81 | |
| 6 | 1 | Jordan Mattern | United States
|
4:14.94 | |
| 7 | 7 | Julia Hassler | Liechtenstein
|
4:17.25 | |
| 8 | 8 | Anna Olasz | Hungary
|
4:20.24 |