| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 46.91 | ||
| 1 | 22 | NS | ||
| 1 | 21 | 54.79 | ||
| 2 | 11 | 46.81 | ||
| 2 | 1 | 42.62 | ||
| 2 | 22 | NS | ||
| 3 | 2 | 44.23 | ||
| 3 | 15 | 47.59 | ||
| 3 | 18 | 52.48 | ||
| 4 | 7 | 45.61 | ||
| 4 | 6 | 45.33 | ||
| 4 | 5 | 45.32 | ||
| 5 | 9 | 45.99 | ||
| 5 | 14 | 47.45 | ||
| 5 | 4 | 45.17 | ||
| 6 | 17 | 49.88 | ||
| 6 | 8 | 45.95 | ||
| 6 | 13 | 47.16 | ||
| 7 | 19 | 52.87 | ||
| 7 | 3 | 44.80 | ||
| 7 | 16 | 47.98 | ||
| 8 | 20 | 53.63 | ||
| 8 | 10 | 46.27 |