| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 23 | 1:12.53 | ||
| 1 | 13 | 48.35 | ||
| 1 | 15 | 52.72 | ||
| 2 | 8 | 45.79 | ||
| 2 | 14 | 52.52 | ||
| 2 | 17 | 58.07 | ||
| 3 | 7 | 45.76 | ||
| 3 | 20 | 59.29 | ||
| 3 | 4 | 44.18 | ||
| 4 | 1 | 34.26 | ||
| 4 | 5 | 44.65 | ||
| 4 | 16 | 52.83 | ||
| 5 | 2 | 39.68 | ||
| 5 | 24 | DQ | ||
| 5 | 9 | 46.09 | ||
| 6 | 3 | 41.81 | ||
| 6 | 11 | 47.76 | ||
| 6 | 19 | 58.81 | ||
| 7 | 10 | 46.61 | ||
| 7 | 21 | 1:04.15 | ||
| 7 | 12 | 47.85 | ||
| 8 | 6 | 45.71 | ||
| 8 | 18 | 58.37 | ||
| 8 | 22 | 1:09.58 |