| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.711 | 18/6:12.798 |
| 2 | 4 | 19.632 | 18/6:03.087 |
| 3 | 4 | 19.842 | 18/6:01.110 |
| 4 | 4 | 19.703 | 19/6:19.468 |
| 5 | 4 | 19.630 | 19/6:18.168 |
| 6 | 4 | 20.739 | 18/6:00.771 |
| 7 | 4 | 21.586 | 18/6:04.739 |
| 8 | 4 | 20.599 | 18/6:05.495 |
| 9 | 4 | 19.961 | 18/6:04.806 |
| 10 | 4 | 20.511 | 18/6:05.245 |
| 11 | 4 | 20.022 | 18/6:04.804 |
| 12 | 4 | 19.681 | 18/6:03.926 |
| 13 | 4 | 20.540 | 18/6:04.371 |
| 14 | 4 | 20.068 | 18/6:04.146 |
| 15 | 4 | 21.381 | 18/6:05.527 |
| 16 | 4 | 19.377 | 18/6:04.481 |
| 17 | 4 | 20.527 | 18/6:04.775 |
| 18 | 4 | 21.650 | 18/6:06.160 |