| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 28.475 | N/A |
| 2 | 5 | 28.837 | 17/8:09.867 |
| 3 | 4 | 25.922 | 18/8:13.926 |
| 4 | 4 | 29.023 | 18/8:23.239 |
| 5 | 4 | 23.240 | 18/8:03.318 |
| 6 | 4 | 22.301 | 19/8:14.037 |
| 7 | 4 | 23.503 | 19/8:06.953 |
| 8 | 4 | 23.172 | 19/8:01.041 |
| 9 | 4 | 22.954 | 20/8:20.986 |
| 10 | 4 | 27.889 | 19/8:02.157 |
| 11 | 4 | 26.644 | 19/8:04.748 |
| 12 | 4 | 29.315 | 19/8:11.238 |
| 13 | 4 | 23.570 | 19/8:08.003 |
| 14 | 4 | 25.141 | 19/8:07.490 |
| 15 | 4 | 27.899 | 19/8:10.573 |
| 16 | 4 | 26.136 | 19/8:11.130 |
| 17 | 4 | 22.892 | 19/8:07.967 |
| 18 | 4 | 24.999 | 19/8:07.408 |
| 19 | 4 | 23.771 | 19/8:05.683 |