| Date | 16 August 2010 |
|---|---|
| Status | YOG |
| Location | Singapore Sports School, Singapore |
| Participants | 40 from 10 countries |
| Date | 16 August 2010 — 11:11 |
|---|---|
| Format | Top 8 times advanced to the final round. |
| Time | 11:11 |
|---|
| Pos | Competitors | NOC | Time | ||
|---|---|---|---|---|---|
| 1 | Australia |  AUS | 4:13.12 | ||
| Zoe Johnson | – | ||||
| Emma McKeon | – | ||||
| Emily Selig | – | ||||
| Madi Wilson | – | ||||
| 2 | Germany |  GER | 4:13.38 | ||
| Dörte Baumert | – | ||||
| Lena Kalla | – | ||||
| Lina Rathsack | – | ||||
| Juliane Reinhold | – | ||||
| 3 | Japan |  JPN | 4:19.00 | ||
| Maya Hamano | – | ||||
| Mina Ochi | – | ||||
| Mayuko Okada | – | ||||
| Yukiko Watanabe | – | ||||
| 4 | South Africa |  RSA | 4:24.41 | ||
| Oneida Cooper | – | ||||
| Natasha de Vos | – | ||||
| Kyla Ferreira | – | ||||
| Taryn MacKenzie | – | ||||
| 5 | Brazil |  BRA | 4:25.66 | ||
| Carolina Bergamaschi | – | ||||
| Júlia Gerotto | – | ||||
| Alessandra Marchioro | – | ||||
| Bruna Rocha | – |
| Pos | Competitors | NOC | Time | ||
|---|---|---|---|---|---|
| 1 | Russian Federation |  RUS | 4:13.43 | ||
| Yekaterina Andreyeva | – | ||||
| Olga Detenyuk | – | ||||
| Kristina Kochetkova | – | ||||
| Aleksandra Papusha | – | ||||
| 2 | People's Republic of China |  CHN | 4:13.63 | ||
| Bai Anqi | – | ||||
| Liu Lan | – | ||||
| Tang Yi | – | ||||
| Wang Chang | – | ||||
| 3 | Canada |  CAN | 4:17.94 | ||
| Lindsay Delmar | – | ||||
| Lauren Earp | – | ||||
| Rachel Nicol | – | ||||
| Tera Van Beilen | – | ||||
| 4 | United States |  USA | 4:26.15 | ||
| Kiera Janzen | – | ||||
| Kaitlyn Jones | – | ||||
| Jordan Mattern | – | ||||
| Allison Roberts | – | ||||
| 5 | Singapore |  SGP | 4:28.56 | ||
| Chriselle Koh | – | ||||
| Amanda Lim | – | ||||
| Cheryl Lim | – | ||||
| Adeline Winata | – | ||||
| Italy |  ITA | – |
| Date | 16 August 2010 — 20:08 |
|---|
| Pos | Competitors | NOC | Time | ||
|---|---|---|---|---|---|
| 1 | Australia | AUS | 4:09.68 | ||
| Zoe Johnson | – | ||||
| Emma McKeon | – | ||||
| Emily Selig | – | ||||
| Madi Wilson | – | ||||
| 2 | Russian Federation | RUS | 4:11.07 | ||
| Yekaterina Andreyeva | – | ||||
| Olga Detenyuk | – | ||||
| Kristina Kochetkova | – | ||||
| Aleksandra Papusha | – | ||||
| 3 | Germany | GER | 4:11.76 | ||
| Dörte Baumert | – | ||||
| Lena Kalla | – | ||||
| Lina Rathsack | – | ||||
| Juliane Reinhold | – | ||||
| 4 | Canada | CAN | 4:16.72 | ||
| Lindsay Delmar | – | ||||
| Lauren Earp | – | ||||
| Rachel Nicol | – | ||||
| Tera Van Beilen | – | ||||
| 5 | Japan | JPN | 4:16.80 | ||
| Maya Hamano | – | ||||
| Mina Ochi | – | ||||
| Mayuko Okada | – | ||||
| Yukiko Watanabe | – | ||||
| 6 | South Africa | RSA | 4:23.52 | ||
| Oneida Cooper | – | ||||
| Natasha de Vos | – | ||||
| Kyla Ferreira | – | ||||
| Taryn MacKenzie | – | ||||
| 7 | Brazil | BRA | 4:24.62 | ||
| Carolina Bergamaschi | – | ||||
| Júlia Gerotto | – | ||||
| Alessandra Marchioro | – | ||||
| Bruna Rocha | – | ||||
| People's Republic of China | CHN | – | |||
| Bai Anqi | – | ||||
| Liu Lan | – | ||||
| Tang Yi | – | ||||
| Wang Chang | – |
