| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 8 | 42.98 | ||
| 1 | 25 | NS | ||
| 1 | 12 | 47.17 | ||
| 2 | 1 | 37.72 | ||
| 2 | 25 | DQ | ||
| 2 | 20 | 50.22 | ||
| 3 | 18 | 48.30 | ||
| 3 | 25 | NS | ||
| 3 | 6 | 42.10 | ||
| 4 | 17 | 48.28 | ||
| 4 | 21 | 50.77 | ||
| 4 | 2 | 38.39 | ||
| 5 | 3 | 39.06 | ||
| 5 | 11 | 46.86 | ||
| 5 | 16 | 48.18 | ||
| 6 | 5 | 41.52 | ||
| 6 | 25 | NS | ||
| 6 | 13 | 47.28 | ||
| 7 | 24 | 52.48 | ||
| 7 | 15 | 47.84 | ||
| 7 | 9 | 43.41 | ||
| 8 | 23 | 51.67 | ||
| 8 | 19 | 49.01 | ||
| 8 | 7 | 42.87 | ||
| 9 | 10 | 45.90 | ||
| 9 | 4 | 39.45 | ||
| 9 | 22 | 51.08 | ||
| 10 | 25 | DQ | ||
| 10 | 25 | DQ | ||
| 10 | 14 | 47.83 |