| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 24 | 53.00 | ||
| 1 | 22 | 51.25 | ||
| 1 | 21 | 51.18 | ||
| 2 | 19 | 50.45 | ||
| 2 | 25 | 53.98 | ||
| 2 | 18 | 50.06 | ||
| 3 | 3 | 40.19 | ||
| 3 | 26 | 54.12 | ||
| 3 | 8 | 48.54 | ||
| 3 | 12 | 49.29 | ||
| 4 | 1 | 38.49 | ||
| 4 | 7 | 47.61 | ||
| 4 | 11 | 49.23 | ||
| 4 | 20 | 50.74 | ||
| 5 | 15 | 49.66 | ||
| 5 | 30 | NS | ||
| 5 | 10 | 49.16 | ||
| 5 | 2 | 39.41 | ||
| 6 | 4 | 40.49 | ||
| 6 | 9 | 48.62 | ||
| 6 | 29 | 56.87 | ||
| 6 | 13 | 49.40 | ||
| 7 | 17 | 50.03 | ||
| 7 | 6 | 44.70 | ||
| 7 | 14 | 49.51 | ||
| 7 | 23 | 51.89 | ||
| 8 | 28 | 56.37 | ||
| 8 | 27 | 56.21 | ||
| 8 | 5 | 44.41 | ||
| 8 | 16 | 49.73 |