| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 21.527 | 17/6:05.959 |
| 2 | 1 | 19.780 | 18/6:11.763 |
| 3 | 1 | 20.197 | 18/6:09.024 |
| 4 | 1 | 20.304 | 18/6:08.136 |
| 5 | 2 | 21.787 | 18/6:12.942 |
| 6 | 2 | 19.899 | 18/6:10.482 |
| 7 | 1 | 19.984 | 18/6:08.943 |
| 8 | 2 | 20.581 | 18/6:09.133 |
| 9 | 1 | 20.019 | 18/6:08.156 |
| 10 | 1 | 19.656 | 18/6:06.721 |
| 11 | 1 | 20.805 | 18/6:07.427 |
| 12 | 1 | 20.201 | 18/6:07.110 |
| 13 | 2 | 20.830 | 18/6:07.712 |
| 14 | 2 | 20.926 | 18/6:08.352 |
| 15 | 2 | 20.282 | 18/6:08.134 |
| 16 | 1 | 20.417 | 18/6:08.094 |
| 17 | 1 | 19.743 | 18/6:07.346 |
| 18 | 1 | 20.128 | 18/6:07.066 |