| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 52.20 | ||
| 1 | 10 | 48.50 | ||
| 1 | 1 | 42.26 | ||
| 2 | 4 | 45.28 | ||
| 2 | 18 | 52.99 | ||
| 2 | 14 | 50.65 | ||
| 3 | 11 | 48.53 | ||
| 3 | 22 | 1:00.73 | ||
| 3 | 2 | 43.62 | ||
| 4 | 15 | 50.81 | ||
| 4 | 12 | 50.00 | ||
| 4 | 7 | 47.94 | ||
| 5 | 21 | 53.79 | ||
| 5 | 8 | 48.06 | ||
| 5 | 13 | 50.31 | ||
| 6 | 16 | 51.68 | ||
| 6 | 23 | 1:05.45 | ||
| 6 | 9 | 48.12 | ||
| 7 | 3 | 44.48 | ||
| 7 | 5 | 46.39 | ||
| 7 | 20 | 53.42 | ||
| 8 | 24 | DQ | ||
| 8 | 19 | 53.30 | ||
| 8 | 6 | 46.69 |