| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | NS | ||
| 1 | 20 | 55.16 | ||
| 1 | 12 | 47.22 | ||
| 2 | 6 | 41.48 | ||
| 2 | 21 | DQ | ||
| 2 | 13 | 47.52 | ||
| 3 | 10 | 46.54 | ||
| 3 | 4 | 39.95 | ||
| 3 | 7 | 42.26 | ||
| 4 | 14 | 48.39 | ||
| 4 | 18 | 49.91 | ||
| 4 | 1 | 38.03 | ||
| 5 | 17 | 49.55 | ||
| 5 | 2 | 39.03 | ||
| 5 | 15 | 48.57 | ||
| 6 | 9 | 46.35 | ||
| 6 | 3 | 39.20 | ||
| 6 | 19 | 53.99 | ||
| 7 | 11 | 46.55 | ||
| 7 | 5 | 40.81 | ||
| 8 | 8 | 44.50 | ||
| 8 | 16 | 49.09 |