| 1 |
China
| 3:05.46 | WR |
+
|
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
|
| 2 |
Thailand
| 3:13.28 | SB |
+
|
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
|
| 3 |
Australia
| 3:13.42 | SB |
+
|
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
|
| 4 |
Korea
| 3:13.82 | SB |
+
|
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
| Interm. | Mark | Rk | Split | Split Rank |
|---|
| - | - | - | 50.6 | 4 |
|