| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 16 | 47.37 | ||
| 1 | 21 | 51.50 | ||
| 1 | 5 | 36.53 | ||
| 2 | 20 | 50.41 | ||
| 2 | 2 | 35.14 | ||
| 2 | 13 | 43.81 | ||
| 3 | 22 | 53.24 | ||
| 3 | 3 | 35.39 | ||
| 3 | 17 | 47.78 | ||
| 4 | 23 | DQ | ||
| 4 | 1 | 34.54 | ||
| 4 | 9 | 42.60 | ||
| 5 | 6 | 36.67 | ||
| 5 | 14 | 44.95 | ||
| 5 | 15 | 45.18 | ||
| 6 | 4 | 36.47 | ||
| 6 | 23 | NS | ||
| 6 | 10 | 42.74 | ||
| 7 | 11 | 42.85 | ||
| 7 | 7 | 37.81 | ||
| 7 | 12 | 43.75 | ||
| 8 | 19 | 49.79 | ||
| 8 | 8 | 38.43 | ||
| 8 | 18 | 47.93 |