| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 12 | 51.45 | ||
| 1 | 18 | 55.44 | ||
| 1 | 19 | NS | ||
| 2 | 19 | DQ | ||
| 2 | 4 | 44.99 | ||
| 2 | 16 | 53.87 | ||
| 3 | 10 | 49.76 | ||
| 3 | 2 | 43.91 | ||
| 3 | 19 | DQ | ||
| 4 | 6 | 47.07 | ||
| 4 | 11 | 49.98 | ||
| 4 | 8 | 48.85 | ||
| 5 | 15 | 52.13 | ||
| 5 | 9 | 48.91 | ||
| 5 | 3 | 43.93 | ||
| 6 | 19 | NS | ||
| 6 | 19 | NS | ||
| 6 | 7 | 47.95 | ||
| 7 | 17 | 53.93 | ||
| 7 | 14 | 51.83 | ||
| 7 | 1 | 41.91 | ||
| 8 | 19 | NS | ||
| 8 | 13 | 51.66 | ||
| 8 | 5 | 45.87 |