| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 11 | 46.47 | ||
| 1 | 18 | 53.71 | ||
| 1 | 19 | 57.19 | ||
| 2 | 12 | 46.76 | ||
| 2 | 10 | 44.29 | ||
| 2 | 5 | 41.53 | ||
| 3 | 9 | 43.74 | ||
| 3 | 3 | 39.93 | ||
| 3 | 14 | 48.51 | ||
| 4 | 20 | NS | ||
| 4 | 8 | 43.39 | ||
| 5 | 7 | 42.68 | ||
| 5 | 20 | NS | ||
| 5 | 1 | 37.39 | ||
| 6 | 16 | 49.59 | ||
| 6 | 15 | 49.52 | ||
| 6 | 4 | 41.30 | ||
| 7 | 20 | DQ | ||
| 7 | 13 | 47.29 | ||
| 7 | 20 | DQ | ||
| 8 | 2 | 39.64 | ||
| 8 | 6 | 42.23 | ||
| 8 | 17 | 51.14 |