| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 2 | 40.91 | ||
| 1 | 12 | 51.63 | ||
| 1 | 17 | 54.53 | ||
| 2 | 6 | 42.87 | ||
| 2 | 22 | NS | ||
| 2 | 18 | 54.67 | ||
| 3 | 8 | 47.75 | ||
| 3 | 19 | 54.78 | ||
| 3 | 16 | 53.69 | ||
| 4 | 9 | 49.31 | ||
| 4 | 7 | 44.35 | ||
| 4 | 10 | 50.86 | ||
| 5 | 22 | DQ | ||
| 5 | 3 | 41.18 | ||
| 5 | 20 | 54.82 | ||
| 6 | 13 | 52.43 | ||
| 6 | 1 | 40.89 | ||
| 6 | 15 | 53.36 | ||
| 7 | 4 | 41.96 | ||
| 7 | 14 | 53.15 | ||
| 7 | 21 | 55.80 | ||
| 8 | 4 | 41.96 | ||
| 8 | 5 | 42.01 | ||
| 8 | 11 | 51.59 |