| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 2.895 | N/A |
| 2 | 3 | 22.128 | 20/7:03.327 |
| 3 | 3 | 21.515 | 21/7:19.325 |
| 4 | 4 | 23.855 | 20/7:10.382 |
| 5 | 4 | 22.111 | 20/7:08.537 |
| 6 | 4 | 22.498 | 20/7:08.901 |
| 7 | 4 | 21.814 | 20/7:06.978 |
| 8 | 4 | 22.101 | 20/7:06.383 |
| 9 | 3 | 23.195 | 20/7:08.535 |
| 10 | 3 | 21.616 | 20/7:06.875 |
| 11 | 3 | 22.240 | 20/7:06.733 |
| 12 | 3 | 21.626 | 20/7:05.556 |
| 13 | 3 | 22.262 | 20/7:05.583 |
| 14 | 3 | 22.493 | 20/7:05.943 |
| 15 | 3 | 22.090 | 20/7:05.704 |
| 16 | 3 | 21.555 | 20/7:04.820 |
| 17 | 3 | 21.681 | 20/7:04.196 |
| 18 | 3 | 21.556 | 20/7:03.505 |
| 19 | 3 | 21.774 | 20/7:03.122 |
| 20 | 3 | 21.619 | 20/7:02.624 |