| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 4 | 46.77 | ||
| 1 | 11 | 53.50 | ||
| 1 | 19 | 1:14.95 | ||
| 2 | 15 | 55.48 | ||
| 2 | 21 | NS | ||
| 2 | 5 | 47.25 | ||
| 2 | 1 | 42.19 | ||
| 3 | 17 | 1:00.79 | ||
| 3 | 2 | 44.17 | ||
| 3 | 12 | 53.71 | ||
| 3 | 10 | 49.94 | ||
| 4 | 21 | DQ | ||
| 4 | 16 | 55.50 | ||
| 4 | 3 | 45.62 | ||
| 4 | 8 | 48.86 | ||
| 5 | 13 | 54.59 | ||
| 5 | 9 | 49.09 | ||
| 5 | 20 | 1:35.22 | ||
| 5 | 7 | 48.40 | ||
| 6 | 6 | 48.00 | ||
| 6 | 14 | 54.97 | ||
| 6 | 21 | DQ | ||
| 6 | 18 | 1:06.99 |