| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 3 | 45.15 | ||
| 1 | 10 | 49.71 | ||
| 1 | 19 | 55.78 | ||
| 2 | 5 | 46.15 | ||
| 2 | 14 | 52.38 | ||
| 2 | 18 | 55.68 | ||
| 3 | 20 | 56.39 | ||
| 3 | 11 | 50.76 | ||
| 3 | 4 | 45.76 | ||
| 4 | 7 | 46.93 | ||
| 4 | 6 | 46.65 | ||
| 4 | 8 | 47.74 | ||
| 5 | 17 | 55.05 | ||
| 5 | 24 | DQ | ||
| 5 | 2 | 43.68 | ||
| 6 | 23 | 1:04.62 | ||
| 6 | 15 | 52.51 | ||
| 6 | 9 | 49.64 | ||
| 7 | 16 | 54.36 | ||
| 7 | 1 | 43.21 | ||
| 7 | 21 | 59.18 | ||
| 8 | 22 | 1:03.14 | ||
| 8 | 13 | 51.83 | ||
| 8 | 12 | 50.99 |