| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 6 | 45.91 | ||
| 1 | 15 | 1:00.55 | ||
| 1 | 5 | 45.85 | ||
| 2 | 10 | 54.82 | ||
| 2 | 3 | 44.83 | ||
| 2 | 18 | DQ | ||
| 3 | 4 | 44.93 | ||
| 3 | 13 | 55.28 | ||
| 3 | 8 | 49.12 | ||
| 4 | 1 | 42.03 | ||
| 4 | 18 | NS | ||
| 4 | 12 | 55.21 | ||
| 5 | 2 | 43.44 | ||
| 5 | 14 | 57.61 | ||
| 5 | 18 | DQ | ||
| 6 | 9 | 54.07 | ||
| 6 | 17 | 1:07.43 | ||
| 6 | 18 | DQ | ||
| 7 | 11 | 55.16 | ||
| 7 | 16 | 1:01.00 | ||
| 7 | 7 | 46.41 | ||
| 8 | 18 | DQ |