| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 13 | 49.62 | ||
| 1 | 8 | 44.27 | ||
| 1 | 21 | NS | ||
| 2 | 7 | 43.99 | ||
| 2 | 16 | 51.37 | ||
| 2 | 21 | NS | ||
| 3 | 14 | 49.96 | ||
| 3 | 5 | 42.88 | ||
| 3 | 12 | 48.18 | ||
| 4 | 9 | 44.97 | ||
| 4 | 21 | DQ | ||
| 4 | 2 | 40.07 | ||
| 5 | 1 | 39.94 | ||
| 5 | 15 | 51.18 | ||
| 5 | 10 | 45.21 | ||
| 6 | 11 | 46.61 | ||
| 6 | 20 | 56.54 | ||
| 6 | 6 | 43.32 | ||
| 7 | 17 | 53.11 | ||
| 7 | 3 | 40.20 | ||
| 7 | 19 | 55.00 | ||
| 8 | 18 | 53.99 | ||
| 8 | 4 | 42.71 | ||
| 8 | 21 | NS |