| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 9 | 45.40 | ||
| 1 | 20 | 53.30 | ||
| 1 | 22 | 55.95 | ||
| 2 | 14 | 47.57 | ||
| 2 | 6 | 43.17 | ||
| 2 | 11 | 47.04 | ||
| 3 | 23 | DQ | ||
| 3 | 8 | 44.35 | ||
| 3 | 2 | 41.96 | ||
| 4 | 7 | 44.21 | ||
| 4 | 12 | 47.18 | ||
| 4 | 17 | 49.19 | ||
| 5 | 18 | 49.80 | ||
| 5 | 1 | 41.40 | ||
| 5 | 21 | 53.38 | ||
| 6 | 15 | 48.85 | ||
| 6 | 4 | 42.32 | ||
| 6 | 19 | 49.83 | ||
| 7 | 16 | 49.06 | ||
| 7 | 5 | 42.60 | ||
| 7 | 12 | 47.18 | ||
| 8 | 10 | 46.78 | ||
| 8 | 13 | 47.51 | ||
| 8 | 3 | 42.18 |