The Women's 400 metre freestyle event at the 2010 Commonwealth Games took place on 8 October 2010, at the SPM Swimming Pool Complex.[1]
Three heats were held, with most containing the maximum number of swimmers (eight). The heat in which a swimmer competed did not formally matter for advancement, as the swimmers with the top eight times from the entire field qualified for the finals.[1]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 5 | 4:12.32 | Q | |||
| 2 | 6 | 4:13.74 | Q | |||
| 3 | 4 | 4:14.09 | ||||
| 4 | 2 | 4:20.19 | ||||
| 5 | 7 | 4:22.34 | ||||
| 6 | 1 | 4:36.43 | ||||
| – | 3 | DNS |
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 3 | 4:10.31 | Q | |||
| 2 | 5 | 4:13.15 | Q | |||
| 3 | 4 | 4:17.06 | ||||
| 4 | 6 | 4:22.86 | ||||
| 5 | 1 | 4:31.67 | ||||
| 6 | 8 | 4:50.83 | ||||
| – | 2 | DNS | ||||
| – | 7 | DNS |
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 6 | 4:10.48 | Q | |||
| 2 | 4 | 4:10.70 | Q | |||
| 3 | 5 | 4:11.48 | Q | |||
| 4 | 3 | 4:12.11 | Q | |||
| 5 | 2 | 4:18.80 | ||||
| 6 | 7 | 4:25.57 | ||||
| 7 | 1 | 4:30.70 | ||||
| 8 | 8 | 4:37.11 |
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 3 | 4:05.68 | CG | ||||
| 6 | 4:07.85 | |||||
| 2 | 4:08.22 | |||||
| 4 | 8 | 4:08.30 | ||||
| 5 | 4 | 4:09.45 | ||||
| 6 | 7 | 4:10.37 | ||||
| 7 | 1 | 4:10.74 | ||||
| 8 | 5 | 4:11.57 |