| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 3 | 8 | 47.09 | ||
| 3 | 20 | NS | ||
| 3 | 20 | DQ | ||
| 4 | 18 | 55.81 | ||
| 4 | 4 | 42.15 | ||
| 4 | 20 | NS | ||
| 5 | 7 | 44.20 | ||
| 5 | 11 | 48.25 | ||
| 5 | 16 | 54.74 | ||
| 6 | 5 | 42.21 | ||
| 6 | 13 | 51.37 | ||
| 6 | 2 | 40.56 | ||
| 7 | 1 | 37.71 | ||
| 7 | 12 | 50.53 | ||
| 7 | 14 | 52.09 | ||
| 8 | 6 | 43.95 | ||
| 8 | 20 | DQ | ||
| 8 | 19 | 56.20 | ||
| 9 | 3 | 41.95 | ||
| 9 | 15 | 52.69 | ||
| 9 | 17 | 55.26 | ||
| 10 | 10 | 47.79 | ||
| 10 | 20 | NS | ||
| 10 | 9 | 47.30 |