| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 52.29 | ||
| 1 | 19 | 52.35 | ||
| 1 | 8 | 39.58 | ||
| 2 | 21 | 52.69 | ||
| 2 | 5 | 38.06 | ||
| 2 | 15 | 47.63 | ||
| 3 | 22 | DQ | ||
| 3 | 9 | 43.30 | ||
| 3 | 4 | 37.09 | ||
| 4 | 11 | 45.93 | ||
| 4 | 22 | NS | ||
| 4 | 3 | 36.99 | ||
| 5 | 2 | 36.92 | ||
| 5 | 12 | 46.06 | ||
| 5 | 16 | 48.90 | ||
| 6 | 6 | 38.69 | ||
| 6 | 10 | 45.41 | ||
| 6 | 13 | 46.85 | ||
| 7 | 20 | 52.44 | ||
| 7 | 12 | 46.06 | ||
| 7 | 1 | 36.61 | ||
| 8 | 14 | 47.26 | ||
| 8 | 17 | 52.20 | ||
| 8 | 7 | 39.21 |