| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 45.81 | ||
| 1 | 20 | 52.00 | ||
| 1 | 3 | 39.77 | ||
| 2 | 9 | 43.67 | ||
| 2 | 11 | 45.25 | ||
| 2 | 22 | NS | ||
| 3 | 18 | 49.80 | ||
| 3 | 4 | 39.99 | ||
| 3 | 22 | DQ | ||
| 4 | 7 | 40.62 | ||
| 4 | 8 | 42.16 | ||
| 4 | 1 | 38.96 | ||
| 5 | 10 | 44.94 | ||
| 5 | 15 | 47.30 | ||
| 5 | 6 | 40.32 | ||
| 6 | 16 | 49.59 | ||
| 6 | 17 | 49.71 | ||
| 6 | 22 | NS | ||
| 7 | 13 | 46.71 | ||
| 7 | 19 | 50.64 | ||
| 7 | 2 | 39.23 | ||
| 8 | 14 | 46.95 | ||
| 8 | 21 | 55.26 | ||
| 8 | 5 | 40.11 |