| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 14 | 50.08 | ||
| 1 | 11 | 49.61 | ||
| 1 | 30 | NS | ||
| 1 | 7 | 43.27 | ||
| 2 | 25 | 56.53 | ||
| 2 | 18 | 51.44 | ||
| 2 | 29 | 1:15.97 | ||
| 2 | 6 | 41.76 | ||
| 3 | 3 | 36.92 | ||
| 3 | 9 | 46.39 | ||
| 3 | 28 | 1:13.55 | ||
| 3 | 17 | 51.13 | ||
| 4 | 30 | DQ | ||
| 4 | 10 | 47.36 | ||
| 4 | 4 | 37.83 | ||
| 4 | 13 | 50.06 | ||
| 5 | 15 | 50.30 | ||
| 5 | 19 | 51.88 | ||
| 5 | 5 | 38.20 | ||
| 5 | 21 | 52.10 | ||
| 6 | 27 | 1:00.45 | ||
| 6 | 2 | 36.73 | ||
| 6 | 12 | 50.03 | ||
| 6 | 16 | 50.49 | ||
| 7 | 20 | 52.01 | ||
| 7 | 23 | 56.04 | ||
| 7 | 26 | 57.96 | ||
| 7 | 30 | NS | ||
| 8 | 24 | 56.41 | ||
| 8 | 22 | 53.58 | ||
| 8 | 1 | 35.19 | ||
| 8 | 8 | 45.89 |