| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 13 | 47.55 | ||
| 1 | 10 | 45.18 | ||
| 1 | 12 | 46.00 | ||
| 2 | 15 | 47.99 | ||
| 2 | 1 | 36.67 | ||
| 2 | 9 | 45.04 | ||
| 3 | 21 | NS | ||
| 3 | 5 | 43.14 | ||
| 3 | 8 | 44.45 | ||
| 4 | 3 | 41.06 | ||
| 4 | 4 | 42.80 | ||
| 4 | 2 | 38.73 | ||
| 5 | 6 | 43.67 | ||
| 5 | 7 | 44.01 | ||
| 5 | 16 | 48.23 | ||
| 6 | 20 | 50.99 | ||
| 6 | 17 | 49.68 | ||
| 6 | 14 | 47.59 | ||
| 7 | 11 | 45.31 | ||
| 7 | 21 | DQ | ||
| 7 | 21 | NS | ||
| 8 | 18 | 50.16 | ||
| 8 | 19 | 50.38 | ||
| 8 | 21 | NS |