| Lane | Swimmer | Team | Place | Time |
|---|---|---|---|---|
| 1 | 25 | 52.77 | ||
| 1 | 17 | 49.37 | ||
| 1 | 30 | 55.81 | ||
| 2 | 31 | 58.37 | ||
| 2 | 19 | 50.10 | ||
| 2 | 3 | 35.87 | ||
| 2 | 10 | 43.09 | ||
| 2 | 23 | 52.32 | ||
| 3 | 9 | 42.45 | ||
| 3 | 18 | 49.83 | ||
| 3 | 4 | 37.14 | ||
| 3 | 14 | 45.26 | ||
| 3 | 26 | 53.12 | ||
| 4 | 1 | 31.16 | ||
| 4 | 7 | 40.84 | ||
| 4 | 22 | 51.33 | ||
| 4 | 11 | 44.06 | ||
| 4 | 8 | 42.08 | ||
| 5 | 15 | 46.56 | ||
| 5 | 27 | 53.85 | ||
| 5 | 13 | 45.11 | ||
| 5 | 16 | 47.70 | ||
| 5 | 2 | 35.72 | ||
| 6 | 28 | 54.80 | ||
| 6 | 20 | 50.56 | ||
| 6 | 5 | 39.48 | ||
| 6 | 29 | 54.97 | ||
| 6 | 32 | NS | ||
| 7 | 12 | 44.99 | ||
| 7 | 6 | 40.27 | ||
| 7 | 24 | 52.36 | ||
| 7 | 32 | DQ | ||
| 7 | 21 | 50.86 | ||
| 8 | 32 | DQ | ||
| 8 | 32 | DQ |