| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 17 | 49.45 | ||
| 1 | 21 | NS | ||
| 1 | 21 | DQ | ||
| 2 | 21 | NS | ||
| 2 | 7 | 40.67 | ||
| 2 | 20 | 57.49 | ||
| 3 | 14 | 47.15 | ||
| 3 | 5 | 39.06 | ||
| 3 | 21 | DQ | ||
| 4 | 6 | 39.54 | ||
| 4 | 1 | 36.10 | ||
| 4 | 10 | 42.25 | ||
| 5 | 2 | 36.21 | ||
| 5 | 9 | 41.63 | ||
| 5 | 12 | 44.96 | ||
| 6 | 4 | 38.26 | ||
| 6 | 18 | 51.85 | ||
| 6 | 13 | 47.04 | ||
| 7 | 15 | 47.71 | ||
| 7 | 3 | 37.17 | ||
| 7 | 11 | 43.21 | ||
| 8 | 8 | 41.11 | ||
| 8 | 16 | 48.22 | ||
| 8 | 19 | 57.26 |