| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 53.24 | ||
| 1 | 20 | DQ | ||
| 1 | 15 | 58.30 | ||
| 2 | 9 | 49.73 | ||
| 2 | 20 | DQ | ||
| 2 | 5 | 44.66 | ||
| 3 | 3 | 43.17 | ||
| 3 | 8 | 48.26 | ||
| 3 | 14 | 55.12 | ||
| 4 | 11 | 52.76 | ||
| 4 | 1 | 42.49 | ||
| 4 | 11 | 52.76 | ||
| 5 | 2 | 42.87 | ||
| 5 | 7 | 45.95 | ||
| 5 | 18 | 1:03.75 | ||
| 6 | 17 | 59.80 | ||
| 6 | 10 | 49.94 | ||
| 6 | 6 | 45.22 | ||
| 7 | 20 | NS | ||
| 7 | 4 | 44.54 | ||
| 7 | 19 | 1:06.77 | ||
| 8 | 13 | 53.43 | ||
| 8 | 16 | 59.37 |