| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 16 | 54.10 | ||
| 1 | 18 | 55.16 | ||
| 1 | 12 | 50.92 | ||
| 2 | 9 | 49.54 | ||
| 2 | 6 | 47.67 | ||
| 2 | 7 | 48.59 | ||
| 3 | 17 | 54.65 | ||
| 3 | 5 | 46.17 | ||
| 3 | 9 | 49.54 | ||
| 4 | 15 | 52.42 | ||
| 4 | 2 | 43.89 | ||
| 4 | 19 | NS | ||
| 5 | 19 | NS | ||
| 5 | 3 | 45.10 | ||
| 5 | 4 | 46.12 | ||
| 6 | 19 | NS | ||
| 6 | 10 | 49.93 | ||
| 6 | 1 | 38.56 | ||
| 7 | 8 | 49.44 | ||
| 7 | 14 | 52.02 | ||
| 7 | 11 | 50.53 | ||
| 8 | 19 | DQ | ||
| 8 | 13 | 51.21 |