| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 21 | 49.42 | ||
| 1 | 36 | 59.81 | ||
| 1 | 9 | 44.57 | ||
| 1 | 39 | DQ | ||
| 2 | 22 | 49.49 | ||
| 2 | 8 | 44.48 | ||
| 2 | 34 | 57.51 | ||
| 2 | 39 | DQ | ||
| 2 | 13 | 45.41 | ||
| 2 | 12 | 45.17 | ||
| 3 | 1 | 39.55 | ||
| 3 | 24 | 49.84 | ||
| 3 | 5 | 41.69 | ||
| 3 | 31 | 55.11 | ||
| 3 | 11 | 44.99 | ||
| 3 | 26 | 50.95 | ||
| 4 | 32 | 56.58 | ||
| 4 | 17 | 47.22 | ||
| 4 | 27 | 51.11 | ||
| 4 | 23 | 49.67 | ||
| 4 | 14 | 45.53 | ||
| 4 | 2 | 39.60 | ||
| 5 | 19 | 48.87 | ||
| 5 | 20 | 49.05 | ||
| 5 | 35 | 58.69 | ||
| 5 | 4 | 41.03 | ||
| 5 | 30 | 53.11 | ||
| 5 | 3 | 39.96 | ||
| 6 | 28 | 51.28 | ||
| 6 | 16 | 47.08 | ||
| 6 | 15 | 45.84 | ||
| 6 | 37 | 1:02.80 | ||
| 7 | 10 | 44.92 | ||
| 7 | 6 | 41.89 | ||
| 7 | 39 | DQ | ||
| 7 | 25 | 49.88 | ||
| 7 | 29 | 52.23 | ||
| 7 | 33 | 56.95 | ||
| 8 | 39 | NS | ||
| 8 | 39 | DQ | ||
| 8 | 18 | 48.05 | ||
| 8 | 7 | 42.58 | ||
| 8 | 38 | 1:16.93 |