| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 11 | 51.46 | ||
| 1 | 22 | 1:03.62 | ||
| 1 | 23 | NS | ||
| 2 | 21 | 1:00.06 | ||
| 2 | 15 | 54.02 | ||
| 2 | 13 | 53.06 | ||
| 3 | 12 | 52.76 | ||
| 3 | 23 | DQ | ||
| 3 | 9 | 49.19 | ||
| 4 | 14 | 53.71 | ||
| 4 | 16 | 55.00 | ||
| 4 | 5 | 46.31 | ||
| 5 | 19 | 57.32 | ||
| 5 | 2 | 44.54 | ||
| 5 | 1 | 42.34 | ||
| 6 | 20 | 58.21 | ||
| 6 | 3 | 46.13 | ||
| 6 | 7 | 47.54 | ||
| 7 | 4 | 46.26 | ||
| 7 | 8 | 48.58 | ||
| 7 | 23 | DQ | ||
| 8 | 23 | DQ | ||
| 8 | 10 | 49.38 | ||
| 8 | 6 | 47.48 | ||
| 9 | 17 | 56.98 | ||
| 9 | 23 | DQ | ||
| 9 | 23 | DQ | ||
| 10 | 23 | DQ | ||
| 10 | 18 | 57.20 |