| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 5 | 49.99 | ||
| 1 | 1 | 47.32 | ||
| 1 | 18 | 1:02.93 | ||
| 2 | 19 | NS | ||
| 2 | 15 | 56.00 | ||
| 2 | 4 | 48.99 | ||
| 3 | 19 | NS | ||
| 3 | 12 | 53.29 | ||
| 3 | 8 | 51.33 | ||
| 4 | 17 | 58.28 | ||
| 4 | 14 | 55.89 | ||
| 4 | 2 | 47.56 | ||
| 5 | 19 | DQ | ||
| 5 | 3 | 47.88 | ||
| 5 | 9 | 51.63 | ||
| 6 | 10 | 51.90 | ||
| 6 | 19 | NS | ||
| 6 | 11 | 52.21 | ||
| 7 | 6 | 50.31 | ||
| 7 | 13 | 55.82 | ||
| 7 | 19 | NS | ||
| 8 | 16 | 58.06 | ||
| 8 | 7 | 51.04 | ||
| 8 | 19 | NS |