| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 21.017 | N/A |
| 2 | 1 | 20.092 | 18/6:02.581 |
| 3 | 2 | 18.254 | 19/6:06.131 |
| 4 | 1 | 17.594 | 20/6:15.303 |
| 5 | 1 | 21.242 | 19/6:08.336 |
| 6 | 1 | 18.262 | 19/6:04.615 |
| 7 | 1 | 17.219 | 20/6:17.783 |
| 8 | 2 | 15.089 | 20/6:07.772 |
| 9 | 2 | 16.126 | 20/6:02.727 |
| 10 | 2 | 14.136 | 21/6:12.159 |
| 11 | 2 | 22.339 | 20/6:03.687 |
| 12 | 2 | 15.170 | 21/6:16.513 |
| 13 | 2 | 15.099 | 21/6:12.053 |
| 14 | 2 | 14.971 | 21/6:08.083 |
| 15 | 1 | 23.039 | 21/6:16.205 |
| 16 | 1 | 14.196 | 21/6:11.454 |
| 17 | 2 | 17.463 | 21/6:11.380 |
| 18 | 2 | 17.014 | 21/6:10.787 |
| 19 | 2 | 19.185 | 21/6:12.672 |
| 20 | 2 | 30.650 | 20/6:08.157 |