| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 11 | 50.67 | ||
| 2 | 21 | 1:01.14 | ||
| 2 | 18 | 55.12 | ||
| 2 | 2 | 42.51 | ||
| 3 | 10 | 50.31 | ||
| 3 | 6 | 48.93 | ||
| 3 | 19 | 56.10 | ||
| 4 | 8 | 49.32 | ||
| 4 | 17 | 55.00 | ||
| 4 | 13 | 52.01 | ||
| 5 | 7 | 49.05 | ||
| 5 | 5 | 47.83 | ||
| 5 | 1 | 41.98 | ||
| 6 | 15 | 52.89 | ||
| 6 | 3 | 46.07 | ||
| 6 | 20 | 58.49 | ||
| 7 | 9 | 49.81 | ||
| 7 | 4 | 47.14 | ||
| 7 | 14 | 52.08 | ||
| 8 | 23 | DQ | ||
| 8 | 16 | 52.93 | ||
| 8 | 22 | 1:05.32 | ||
| 9 | 12 | 51.04 |