| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 19 | NS | ||
| 1 | 16 | 55.59 | ||
| 1 | 14 | 53.70 | ||
| 2 | 19 | NS | ||
| 2 | 2 | 44.23 | ||
| 2 | 19 | NS | ||
| 3 | 8 | 48.46 | ||
| 3 | 9 | 49.18 | ||
| 3 | 1 | 44.05 | ||
| 4 | 3 | 45.08 | ||
| 4 | 18 | 1:20.53 | ||
| 4 | 10 | 50.42 | ||
| 5 | 19 | DQ | ||
| 5 | 12 | 52.99 | ||
| 5 | 4 | 45.73 | ||
| 6 | 6 | 47.57 | ||
| 6 | 17 | 55.91 | ||
| 6 | 7 | 47.91 | ||
| 7 | 11 | 52.29 | ||
| 7 | 13 | 53.52 | ||
| 7 | 5 | 47.21 | ||
| 8 | 19 | NS | ||
| 8 | 15 | 54.05 |