| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 46.81 | ||
| 1 | 6 | 41.66 | ||
| 1 | 20 | NS | ||
| 2 | 16 | 48.53 | ||
| 2 | 20 | DQ | ||
| 2 | 7 | 41.95 | ||
| 3 | 17 | 51.00 | ||
| 3 | 15 | 47.86 | ||
| 3 | 4 | 39.88 | ||
| 4 | 20 | NS | ||
| 4 | 9 | 44.22 | ||
| 4 | 3 | 38.53 | ||
| 5 | 10 | 45.70 | ||
| 5 | 5 | 40.26 | ||
| 5 | 14 | 47.61 | ||
| 6 | 11 | 46.36 | ||
| 6 | 20 | NS | ||
| 6 | 8 | 43.37 | ||
| 7 | 18 | 52.14 | ||
| 7 | 2 | 37.63 | ||
| 7 | 19 | 57.37 | ||
| 8 | 20 | NS | ||
| 8 | 1 | 34.93 | ||
| 8 | 13 | 47.56 |