| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 18 | 48.68 | ||
| 1 | 17 | 48.57 | ||
| 1 | 3 | 40.03 | ||
| 2 | 9 | 44.01 | ||
| 2 | 19 | 49.11 | ||
| 2 | 28 | NS | ||
| 3 | 8 | 41.44 | ||
| 3 | 28 | DQ | ||
| 3 | 14 | 47.60 | ||
| 4 | 24 | 51.72 | ||
| 4 | 1 | 37.90 | ||
| 4 | 26 | 56.78 | ||
| 5 | 12 | 44.93 | ||
| 5 | 5 | 40.52 | ||
| 5 | 22 | 49.79 | ||
| 6 | 15 | 48.27 | ||
| 6 | 7 | 41.19 | ||
| 6 | 28 | NS | ||
| 7 | 4 | 40.28 | ||
| 7 | 11 | 44.89 | ||
| 7 | 20 | 49.63 | ||
| 8 | 6 | 40.71 | ||
| 8 | 21 | 49.68 | ||
| 8 | 10 | 44.67 | ||
| 9 | 2 | 39.41 | ||
| 9 | 16 | 48.49 | ||
| 9 | 25 | 55.04 | ||
| 10 | 13 | 45.06 | ||
| 10 | 27 | 56.81 | ||
| 10 | 23 | 51.14 |