| Date | 19 August 2010 |
|---|---|
| Status | YOG |
| Location | Singapore Sports School, Singapore |
| Participants | 44 from 11 countries |
| Date | 19 August 2010 — 10:07 |
|---|---|
| Format | Top 8 times advanced to the final round. |
| Time | 10:07 |
|---|
| Pos | Competitors | NOC | Time | ||
|---|---|---|---|---|---|
| 1 | Germany |  GER | 3:54.31 | ||
| Dörte Baumert | – | ||||
| Lena Kalla | – | ||||
| Lina Rathsack | – | ||||
| Juliane Reinhold | – | ||||
| 2 | Australia |  AUS | 3:54.64 | ||
| Zoe Johnson | – | ||||
| Emma McKeon | – | ||||
| Emily Selig | – | ||||
| Madi Wilson | – | ||||
| 3 | Brazil |  BRA | 3:54.87 | ||
| Carolina Bergamaschi | – | ||||
| Júlia Gerotto | – | ||||
| Alessandra Marchioro | – | ||||
| Bruna Rocha | – | ||||
| 4 | United States |  USA | 3:56.12 | ||
| Kiera Janzen | – | ||||
| Kaitlyn Jones | – | ||||
| Jordan Mattern | – | ||||
| Allison Roberts | – | ||||
| Italy |  ITA | – | |||
| Russian Federation |  RUS | – | |||
| Yekaterina Andreyeva | – | ||||
| Olga Detenyuk | – | ||||
| Kristina Kochetkova | – | ||||
| Aleksandra Papusha | – |
| Pos | Competitors | NOC | Time | ||
|---|---|---|---|---|---|
| 1 | People's Republic of China |  CHN | 3:54.12 | ||
| Bai Anqi | – | ||||
| Liu Lan | – | ||||
| Tang Yi | – | ||||
| Wang Chang | – | ||||
| 2 | Canada |  CAN | 3:54.33 | ||
| Lindsay Delmar | – | ||||
| Lauren Earp | – | ||||
| Rachel Nicol | – | ||||
| Tera Van Beilen | – | ||||
| 3 | Hungary |  HUN | 3:57.34 | ||
| Diana Ambrus | – | ||||
| Ágnes Bucz | – | ||||
| Boglárka Kapás | – | ||||
| Anna Olasz | – | ||||
| 4 | Singapore |  SGP | 4:01.27 | ||
| Chriselle Koh | – | ||||
| Amanda Lim | – | ||||
| Cheryl Lim | – | ||||
| Adeline Winata | – | ||||
| 5 | South Africa |  RSA | 4:02.12 | ||
| Oneida Cooper | – | ||||
| Natasha de Vos | – | ||||
| Kyla Ferreira | – | ||||
| Taryn MacKenzie | – | ||||
| 6 | Japan |  JPN | 4:02.29 | ||
| Maya Hamano | – | ||||
| Mina Ochi | – | ||||
| Mayuko Okada | – | ||||
| Yukiko Watanabe | – |
| Date | 19 August 2010 — 19:29 |
|---|
| Pos | Competitors | NOC | Time | ||
|---|---|---|---|---|---|
| 1 | People's Republic of China | CHN | 3:46.64 | ||
| Bai Anqi | – | ||||
| Liu Lan | – | ||||
| Tang Yi | – | ||||
| Wang Chang | – | ||||
| 2 | Germany | GER | 3:49.02 | ||
| Dörte Baumert | – | ||||
| Lena Kalla | – | ||||
| Lina Rathsack | – | ||||
| Juliane Reinhold | – | ||||
| 3 | Canada | CAN | 3:49.12 | ||
| Lindsay Delmar | – | ||||
| Lauren Earp | – | ||||
| Rachel Nicol | – | ||||
| Tera Van Beilen | – | ||||
| 4 | Australia | AUS | 3:51.81 | ||
| Zoe Johnson | – | ||||
| Emma McKeon | – | ||||
| Emily Selig | – | ||||
| Madi Wilson | – | ||||
| 5 | Brazil | BRA | 3:52.86 | ||
| Carolina Bergamaschi | – | ||||
| Júlia Gerotto | – | ||||
| Alessandra Marchioro | – | ||||
| Bruna Rocha | – | ||||
| 6 | United States | USA | 3:54.26 | ||
| Kiera Janzen | – | ||||
| Kaitlyn Jones | – | ||||
| Jordan Mattern | – | ||||
| Allison Roberts | – | ||||
| 7 | Hungary | HUN | 3:56.42 | ||
| Diana Ambrus | – | ||||
| Ágnes Bucz | – | ||||
| Boglárka Kapás | – | ||||
| Anna Olasz | – | ||||
| 8 | Singapore | SGP | 4:00.43 | ||
| Chriselle Koh | – | ||||
| Amanda Lim | – | ||||
| Cheryl Lim | – | ||||
| Adeline Winata | – |
