| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 3 | 42.83 | ||
| 1 | 14 | 48.76 | ||
| 1 | 23 | DQ | ||
| 2 | 13 | 48.55 | ||
| 2 | 18 | 50.25 | ||
| 2 | 8 | 44.98 | ||
| 3 | 11 | 47.39 | ||
| 3 | 6 | 44.43 | ||
| 3 | 17 | 49.76 | ||
| 4 | 1 | 40.27 | ||
| 4 | 5 | 44.24 | ||
| 4 | 7 | 44.89 | ||
| 5 | 9 | 45.17 | ||
| 5 | 4 | 43.91 | ||
| 5 | 2 | 41.62 | ||
| 6 | 16 | 49.22 | ||
| 6 | 23 | NS | ||
| 6 | 19 | 55.02 | ||
| 7 | 22 | 1:06.20 | ||
| 7 | 10 | 46.59 | ||
| 7 | 15 | 49.10 | ||
| 8 | 21 | 1:00.96 | ||
| 8 | 20 | 56.58 | ||
| 8 | 12 | 47.44 |