| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 7 | 29.996 | N/A |
| 2 | 7 | 23.644 | 21/8:22.876 |
| 3 | 5 | 23.615 | 21/8:22.586 |
| 4 | 4 | 23.034 | 21/8:18.616 |
| 5 | 5 | 25.195 | 20/8:03.564 |
| 6 | 5 | 23.021 | 20/8:00.330 |
| 7 | 4 | 23.649 | 20/8:00.163 |
| 8 | 4 | 22.690 | 21/8:20.990 |
| 9 | 4 | 23.370 | 21/8:20.541 |
| 10 | 5 | 29.728 | 20/8:10.104 |
| 11 | 5 | 23.638 | 20/8:09.005 |
| 12 | 5 | 23.237 | 20/8:07.414 |
| 13 | 5 | 23.290 | 20/8:06.171 |
| 14 | 5 | 22.970 | 20/8:04.652 |
| 15 | 5 | 22.875 | 20/8:03.222 |
| 16 | 5 | 22.640 | 20/8:01.684 |
| 17 | 5 | 22.899 | 20/8:00.646 |
| 18 | 5 | 23.952 | 20/8:00.907 |
| 19 | 5 | 22.393 | 21/8:23.151 |
| 20 | 5 | 22.410 | 21/8:21.838 |
| 21 | 5 | 22.513 | 21/8:20.759 |