| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 22.480 | 19/7:07.120 |
| 2 | 2 | 22.434 | 19/7:06.683 |
| 3 | 1 | 20.722 | 20/7:17.573 |
| 4 | 1 | 21.709 | 20/7:16.725 |
| 5 | 1 | 21.056 | 20/7:13.604 |
| 6 | 2 | 25.679 | 19/7:04.587 |
| 7 | 1 | 22.180 | 19/7:04.134 |
| 8 | 1 | 20.892 | 19/7:00.736 |
| 9 | 2 | 23.582 | 19/7:03.772 |
| 10 | 2 | 24.363 | 19/7:07.684 |
| 11 | 2 | 23.435 | 19/7:09.283 |
| 12 | 2 | 23.495 | 19/7:10.709 |
| 13 | 2 | 21.121 | 19/7:08.447 |
| 14 | 2 | 25.412 | 19/7:12.331 |
| 15 | 2 | 22.285 | 19/7:11.737 |
| 16 | 2 | 29.826 | 19/7:20.172 |
| 17 | 2 | 24.649 | 19/7:21.828 |
| 18 | 2 | 21.705 | 19/7:20.193 |
| 19 | 2 | 23.600 | 19/7:20.625 |