| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 22 | NS | ||
| 1 | 21 | 58.16 | ||
| 1 | 20 | 55.48 | ||
| 2 | 6 | 43.53 | ||
| 2 | 9 | 48.26 | ||
| 2 | 12 | 50.62 | ||
| 3 | 22 | NS | ||
| 3 | 13 | 51.32 | ||
| 3 | 4 | 42.73 | ||
| 4 | 1 | 39.69 | ||
| 4 | 10 | 48.92 | ||
| 4 | 15 | 51.79 | ||
| 5 | 2 | 41.41 | ||
| 5 | 19 | 54.62 | ||
| 5 | 18 | 54.28 | ||
| 6 | 11 | 50.32 | ||
| 6 | 16 | 51.81 | ||
| 6 | 3 | 42.26 | ||
| 7 | 8 | 48.05 | ||
| 7 | 14 | 51.74 | ||
| 7 | 5 | 43.20 | ||
| 8 | 17 | 54.23 | ||
| 8 | 22 | DQ | ||
| 8 | 7 | 45.77 |