| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.457 | N/A |
| 2 | 2 | 21.121 | 20/7:04.756 |
| 3 | 2 | 20.919 | 20/7:02.837 |
| 4 | 2 | 21.333 | 20/7:04.819 |
| 5 | 2 | 21.649 | 20/7:07.311 |
| 6 | 2 | 21.283 | 20/7:07.416 |
| 7 | 2 | 21.438 | 20/7:07.976 |
| 8 | 2 | 21.585 | 20/7:08.775 |
| 9 | 2 | 21.491 | 20/7:09.152 |
| 10 | 2 | 22.019 | 20/7:10.559 |
| 11 | 2 | 21.883 | 20/7:11.426 |
| 12 | 2 | 21.691 | 20/7:11.805 |
| 13 | 2 | 21.957 | 20/7:12.541 |
| 14 | 2 | 21.182 | 20/7:12.031 |
| 15 | 2 | 22.556 | 20/7:13.459 |
| 16 | 2 | 22.416 | 20/7:14.519 |
| 17 | 2 | 21.21 | 20/7:13.765 |
| 18 | 2 | 21.547 | 20/7:13.711 |
| 19 | 2 | 21.624 | 20/7:13.745 |
| 20 | 3 | 27.876 | 20/7:20.027 |