| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 11 | 50.72 | ||
| 1 | 13 | 51.90 | ||
| 2 | 9 | 47.64 | ||
| 2 | 2 | 39.27 | ||
| 2 | 7 | 44.47 | ||
| 2 | 24 | DQ | ||
| 3 | 12 | 51.89 | ||
| 3 | 24 | NS | ||
| 3 | 22 | 1:04.12 | ||
| 3 | 4 | 41.40 | ||
| 4 | 20 | 1:00.47 | ||
| 4 | 14 | 52.21 | ||
| 4 | 3 | 40.76 | ||
| 4 | 23 | 1:05.96 | ||
| 5 | 17 | 54.58 | ||
| 5 | 21 | 1:01.63 | ||
| 5 | 15 | 53.71 | ||
| 5 | 1 | 37.33 | ||
| 6 | 16 | 54.03 | ||
| 6 | 24 | DQ | ||
| 6 | 6 | 42.47 | ||
| 6 | 5 | 42.24 | ||
| 7 | 24 | DQ | ||
| 7 | 19 | 57.11 | ||
| 7 | 24 | DQ | ||
| 7 | 8 | 45.13 | ||
| 8 | 10 | 49.82 | ||
| 8 | 18 | 57.03 |