| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 47.15 | ||
| 1 | 8 | 36.41 | ||
| 1 | 21 | 54.15 | ||
| 2 | 22 | NS | ||
| 2 | 6 | 35.19 | ||
| 2 | 19 | 50.08 | ||
| 3 | 9 | 41.68 | ||
| 3 | 1 | 33.07 | ||
| 3 | 14 | 44.47 | ||
| 4 | 10 | 41.95 | ||
| 4 | 13 | 44.26 | ||
| 4 | 3 | 33.21 | ||
| 5 | 4 | 33.77 | ||
| 5 | 16 | 44.85 | ||
| 5 | 11 | 42.64 | ||
| 6 | 15 | 44.74 | ||
| 6 | 2 | 33.20 | ||
| 6 | 10 | 41.95 | ||
| 7 | 12 | 43.78 | ||
| 7 | 7 | 35.28 | ||
| 7 | 22 | DQ | ||
| 8 | 17 | 45.59 | ||
| 8 | 5 | 34.30 | ||
| 8 | 20 | 52.68 |