| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 51.82 | ||
| 1 | 24 | NS | ||
| 1 | 1 | 29.08 | ||
| 2 | 19 | 51.83 | ||
| 2 | 12 | 37.19 | ||
| 2 | 24 | DQ | ||
| 3 | 6 | 32.38 | ||
| 3 | 24 | NS | ||
| 3 | 15 | 41.57 | ||
| 3 | 11 | 35.49 | ||
| 4 | 4 | 30.94 | ||
| 4 | 22 | 58.91 | ||
| 4 | 9 | 34.19 | ||
| 4 | 8 | 34.07 | ||
| 5 | 14 | 40.92 | ||
| 5 | 7 | 32.74 | ||
| 5 | 21 | 58.01 | ||
| 5 | 17 | 49.28 | ||
| 6 | 16 | 49.11 | ||
| 6 | 5 | 30.98 | ||
| 6 | 23 | 59.18 | ||
| 7 | 13 | 39.57 | ||
| 7 | 20 | 56.93 | ||
| 7 | 3 | 30.76 | ||
| 8 | 10 | 34.94 | ||
| 8 | 2 | 30.01 |