| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 21.629 | 20/7:12.580 |
| 2 | 1 | 22.335 | 20/7:19.640 |
| 3 | 1 | 20.877 | 20/7:12.273 |
| 4 | 1 | 21.553 | 20/7:11.970 |
| 5 | 2 | 30.580 | 18/7:01.106 |
| 6 | 2 | 22.390 | 19/7:21.319 |
| 7 | 2 | 21.843 | 19/7:17.562 |
| 8 | 2 | 25.237 | 19/7:22.804 |
| 9 | 2 | 22.060 | 19/7:20.175 |
| 10 | 2 | 22.439 | 19/7:18.792 |
| 11 | 2 | 26.674 | 18/7:01.555 |
| 12 | 2 | 25.579 | 18/7:04.794 |
| 13 | 1 | 23.911 | 18/7:05.225 |
| 14 | 1 | 22.027 | 18/7:03.172 |
| 15 | 1 | 22.985 | 18/7:02.543 |
| 16 | 1 | 21.467 | 18/7:00.284 |
| 17 | 1 | 21.855 | 19/7:21.963 |
| 18 | 1 | 22.548 | 19/7:21.211 |
| 19 | 1 | 21.699 | 19/7:19.688 |