| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 12.266 | 25/5:06.650 |
| 2 | 2 | 12.095 | 25/5:04.512 |
| 3 | 3 | 12.474 | 25/5:06.958 |
| 4 | 3 | 12.398 | 25/5:07.706 |
| 5 | 3 | 12.578 | 25/5:09.055 |
| 6 | 4 | 12.583 | 25/5:09.975 |
| 7 | 4 | 12.392 | 25/5:09.950 |
| 8 | 4 | 12.195 | 25/5:09.316 |
| 9 | 4 | 12.215 | 25/5:08.878 |
| 10 | 4 | 12.655 | 25/5:09.627 |
| 11 | 4 | 12.506 | 25/5:09.902 |
| 12 | 3 | 12.975 | 25/5:11.108 |
| 13 | 3 | 12.935 | 25/5:12.052 |
| 14 | 3 | 12.389 | 25/5:11.886 |
| 15 | 3 | 12.750 | 25/5:12.343 |
| 16 | 3 | 12.559 | 25/5:12.445 |
| 17 | 4 | 13.012 | 24/5:00.673 |
| 18 | 4 | 12.811 | 24/5:01.051 |
| 19 | 4 | 12.312 | 24/5:00.758 |