| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.076 | 18/6:01.368 |
| 2 | 3 | 20.216 | 18/6:02.628 |
| 3 | 3 | 19.659 | 19/6:19.690 |
| 4 | 3 | 20.075 | 18/6:00.117 |
| 5 | 3 | 19.410 | 19/6:17.857 |
| 6 | 3 | 19.194 | 19/6:15.662 |
| 7 | 5 | 29.387 | 18/6:20.615 |
| 8 | 5 | 19.649 | 18/6:17.248 |
| 9 | 5 | 20.307 | 18/6:15.946 |
| 10 | 5 | 18.881 | 18/6:12.337 |
| 11 | 5 | 21.485 | 18/6:13.646 |
| 12 | 5 | 19.448 | 18/6:11.681 |
| 13 | 5 | 19.488 | 18/6:10.073 |
| 14 | 4 | 20.233 | 18/6:09.653 |
| 15 | 4 | 19.532 | 18/6:08.448 |
| 16 | 4 | 19.505 | 18/6:07.363 |
| 17 | 4 | 23.053 | 18/6:10.163 |
| 18 | 4 | 19.724 | 18/6:09.322 |