| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 8 | 46.70 | ||
| 1 | 17 | 53.25 | ||
| 1 | 9 | 46.99 | ||
| 2 | 6 | 43.73 | ||
| 2 | 16 | 51.60 | ||
| 2 | 14 | 49.21 | ||
| 3 | 2 | 42.98 | ||
| 3 | 5 | 43.66 | ||
| 3 | 18 | 55.35 | ||
| 4 | 1 | 41.50 | ||
| 4 | 11 | 47.48 | ||
| 4 | 24 | DQ | ||
| 5 | 22 | 1:00.76 | ||
| 5 | 19 | 56.00 | ||
| 5 | 3 | 43.21 | ||
| 6 | 4 | 43.60 | ||
| 6 | 7 | 45.78 | ||
| 6 | 23 | 1:08.25 | ||
| 7 | 12 | 48.01 | ||
| 7 | 10 | 47.33 | ||
| 7 | 15 | 50.52 | ||
| 8 | 20 | 56.13 | ||
| 8 | 21 | 58.92 | ||
| 8 | 13 | 49.08 |