| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 31.891 | N/A |
| 2 | 4 | 24.799 | 20/8:23.072 |
| 3 | 4 | 25.117 | 19/8:01.135 |
| 4 | 4 | 24.877 | 19/8:00.649 |
| 5 | 4 | 24.425 | 20/8:23.176 |
| 6 | 4 | 25.021 | 20/8:23.999 |
| 7 | 4 | 25.583 | 19/8:01.357 |
| 8 | 5 | 28.102 | 19/8:09.409 |
| 9 | 4 | 26.774 | 19/8:12.461 |
| 10 | 4 | 25.851 | 19/8:12.989 |
| 11 | 4 | 24.054 | 19/8:10.176 |
| 12 | 4 | 24.840 | 19/8:09.161 |
| 13 | 4 | 27.157 | 19/8:11.791 |
| 14 | 4 | 26.325 | 19/8:12.864 |
| 15 | 4 | 24.815 | 19/8:11.842 |
| 16 | 4 | 27.084 | 19/8:13.679 |
| 17 | 4 | 26.567 | 19/8:14.705 |
| 18 | 4 | 25.395 | 19/8:14.370 |
| 19 | 4 | 28.945 | 19/8:17.622 |