| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 15 | 50.12 | ||
| 1 | 18 | 54.71 | ||
| 2 | 4 | 37.40 | ||
| 2 | 10 | 42.86 | ||
| 3 | 21 | DQ | ||
| 3 | 7 | 41.85 | ||
| 3 | 12 | 47.84 | ||
| 3 | 5 | 39.17 | ||
| 4 | 8 | 42.11 | ||
| 4 | 2 | 34.64 | ||
| 4 | 20 | 1:07.26 | ||
| 4 | 13 | 47.85 | ||
| 5 | 14 | 48.27 | ||
| 5 | 11 | 44.54 | ||
| 5 | 21 | DQ | ||
| 5 | 3 | 37.13 | ||
| 6 | 16 | 50.15 | ||
| 6 | 6 | 40.49 | ||
| 7 | 17 | 53.37 | ||
| 7 | 9 | 42.83 | ||
| 8 | 1 | 33.14 | ||
| 8 | 19 | 1:07.00 |