| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 12.509 | N/A |
| 2 | 1 | 20.648 | 18/6:03.525 |
| 3 | 1 | 20.737 | 18/6:04.281 |
| 4 | 1 | 20.777 | 18/6:04.760 |
| 5 | 1 | 21.823 | 18/6:09.445 |
| 6 | 1 | 21.634 | 18/6:11.613 |
| 7 | 1 | 20.807 | 18/6:10.716 |
| 8 | 1 | 21.293 | 18/6:11.255 |
| 9 | 1 | 20.209 | 18/6:09.356 |
| 10 | 3 | 29.420 | 17/6:03.349 |
| 11 | 2 | 24.824 | 17/6:07.984 |
| 12 | 2 | 21.105 | 17/6:06.366 |
| 13 | 2 | 20.766 | 17/6:04.566 |
| 14 | 2 | 20.420 | 17/6:02.617 |
| 15 | 2 | 21.562 | 17/6:02.251 |
| 16 | 2 | 21.012 | 17/6:01.348 |
| 17 | 2 | 20.186 | 18/6:21.433 |
| 18 | 2 | 20.120 | 18/6:19.852 |