| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.636 | 20/6:12.720 |
| 2 | 3 | 18.517 | 20/6:11.530 |
| 3 | 2 | 18.505 | 20/6:11.053 |
| 4 | 1 | 18.203 | 20/6:09.305 |
| 5 | 2 | 18.004 | 20/6:07.460 |
| 6 | 1 | 18.710 | 20/6:08.583 |
| 7 | 1 | 18.068 | 20/6:07.551 |
| 8 | 1 | 18.733 | 20/6:08.440 |
| 9 | 2 | 18.319 | 20/6:08.211 |
| 10 | 1 | 17.524 | 20/6:06.438 |
| 11 | 2 | 19.242 | 20/6:08.111 |
| 12 | 2 | 21.541 | 20/6:13.337 |
| 13 | 2 | 18.232 | 20/6:12.668 |
| 14 | 1 | 19.023 | 20/6:13.224 |
| 15 | 1 | 18.837 | 20/6:13.459 |
| 16 | 1 | 19.821 | 20/6:14.894 |
| 17 | 1 | 18.089 | 20/6:14.122 |
| 18 | 1 | 18.769 | 20/6:14.192 |
| 19 | 1 | 18.570 | 20/6:14.045 |
| 20 | 2 | 19.335 | 20/6:14.678 |