| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 16 | 54.69 | ||
| 1 | 2 | 39.44 | ||
| 2 | 6 | 40.64 | ||
| 2 | 9 | 47.52 | ||
| 2 | 13 | 50.75 | ||
| 3 | 12 | 49.41 | ||
| 3 | 15 | 51.99 | ||
| 3 | 20 | DQ | ||
| 4 | 10 | 48.60 | ||
| 4 | 20 | NS | ||
| 4 | 7 | 45.92 | ||
| 5 | 3 | 39.52 | ||
| 5 | 19 | 58.80 | ||
| 5 | 11 | 49.32 | ||
| 6 | 18 | 56.91 | ||
| 6 | 4 | 40.49 | ||
| 6 | 8 | 46.91 | ||
| 7 | 17 | 55.84 | ||
| 7 | 5 | 40.55 | ||
| 7 | 14 | 51.03 | ||
| 8 | 20 | DQ | ||
| 8 | 1 | 38.73 |