| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 51.28 | ||
| 1 | 19 | 52.13 | ||
| 1 | 4 | 41.14 | ||
| 2 | 5 | 41.64 | ||
| 2 | 21 | 52.83 | ||
| 2 | 11 | 46.97 | ||
| 3 | 8 | 43.04 | ||
| 3 | 12 | 47.58 | ||
| 3 | 17 | 49.79 | ||
| 4 | 2 | 39.83 | ||
| 4 | 14 | 48.61 | ||
| 4 | 20 | 52.29 | ||
| 5 | 13 | 48.14 | ||
| 5 | 1 | 39.33 | ||
| 5 | 24 | NS | ||
| 6 | 10 | 46.33 | ||
| 6 | 16 | 49.73 | ||
| 6 | 7 | 42.42 | ||
| 7 | 23 | 54.65 | ||
| 7 | 9 | 46.32 | ||
| 7 | 3 | 41.10 | ||
| 8 | 6 | 41.78 | ||
| 8 | 15 | 49.00 | ||
| 8 | 22 | 53.92 |