| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 47.17 | ||
| 1 | 21 | 50.43 | ||
| 1 | 27 | DQ | ||
| 2 | 15 | 48.67 | ||
| 2 | 26 | 55.10 | ||
| 2 | 10 | 45.30 | ||
| 3 | 23 | 53.13 | ||
| 3 | 8 | 44.95 | ||
| 3 | 17 | 49.57 | ||
| 4 | 2 | 43.52 | ||
| 4 | 11 | 46.73 | ||
| 4 | 19 | 49.97 | ||
| 5 | 22 | 52.29 | ||
| 5 | 4 | 43.80 | ||
| 5 | 3 | 43.63 | ||
| 6 | 14 | 47.69 | ||
| 6 | 7 | 44.86 | ||
| 6 | 5 | 43.94 | ||
| 7 | 20 | 50.12 | ||
| 7 | 1 | 42.72 | ||
| 7 | 13 | 47.52 | ||
| 8 | 16 | 49.15 | ||
| 8 | 24 | 54.37 | ||
| 8 | 6 | 44.30 | ||
| 9 | 9 | 44.96 | ||
| 9 | 18 | 49.84 | ||
| 9 | 25 | 54.97 |