| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.798 | N/A |
| 2 | 3 | 20.496 | 21/7:08.718 |
| 3 | 4 | 20.010 | 21/7:03.858 |
| 4 | 4 | 19.637 | 22/7:19.799 |
| 5 | 4 | 16.978 | 22/7:03.683 |
| 6 | 4 | 17.620 | 23/7:15.658 |
| 7 | 4 | 17.314 | 23/7:09.666 |
| 8 | 4 | 18.523 | 23/7:09.186 |
| 9 | 4 | 17.238 | 23/7:05.292 |
| 10 | 4 | 25.248 | 22/7:02.614 |
| 11 | 4 | 17.586 | 23/7:18.228 |
| 12 | 4 | 18.636 | 23/7:17.037 |
| 13 | 4 | 19.746 | 23/7:18.069 |
| 14 | 4 | 22.790 | 22/7:05.587 |
| 15 | 4 | 17.603 | 22/7:02.935 |
| 16 | 4 | 18.155 | 22/7:01.041 |
| 17 | 4 | 22.610 | 22/7:05.922 |
| 18 | 4 | 18.073 | 22/7:04.299 |
| 19 | 4 | 24.096 | 22/7:09.883 |
| 20 | 4 | 21.260 | 22/7:11.745 |