| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 5 | 49.67 | ||
| 1 | 19 | DQ | ||
| 2 | 6 | 49.85 | ||
| 2 | 14 | 58.10 | ||
| 3 | 8 | 51.60 | ||
| 3 | 11 | 55.18 | ||
| 4 | 4 | 46.70 | ||
| 4 | 9 | 53.36 | ||
| 4 | 19 | DQ | ||
| 5 | 3 | 45.90 | ||
| 5 | 12 | 55.92 | ||
| 5 | 17 | 1:05.73 | ||
| 6 | 7 | 51.56 | ||
| 6 | 19 | DQ | ||
| 6 | 2 | 45.42 | ||
| 7 | 19 | NS | ||
| 7 | 15 | 59.24 | ||
| 8 | 13 | 57.89 | ||
| 8 | 19 | NS | ||
| 9 | 10 | 54.46 | ||
| 9 | 16 | 1:03.47 | ||
| 10 | 1 | 44.99 | ||
| 10 | 18 | 1:18.24 |