| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 28.987 | N/A |
| 2 | 4 | 22.834 | 19/7:19.999 |
| 3 | 2 | 21.938 | 19/7:11.935 |
| 4 | 2 | 22.104 | 19/7:10.243 |
| 5 | 2 | 21.465 | 19/7:06.521 |
| 6 | 2 | 22.687 | 19/7:08.687 |
| 7 | 2 | 22.152 | 19/7:08.527 |
| 8 | 2 | 21.746 | 19/7:07.368 |
| 9 | 2 | 22.120 | 19/7:07.340 |
| 10 | 4 | 29.340 | 19/7:21.759 |
| 11 | 3 | 27.516 | 18/7:06.620 |
| 12 | 3 | 23.285 | 18/7:06.457 |
| 13 | 3 | 25.765 | 18/7:09.835 |
| 14 | 4 | 23.158 | 18/7:09.284 |
| 15 | 4 | 25.441 | 18/7:11.584 |
| 16 | 3 | 27.409 | 18/7:15.808 |
| 17 | 3 | 25.575 | 18/7:17.555 |
| 18 | 3 | 23.400 | 18/7:16.922 |