| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.211 | 18/6:03.798 |
| 2 | 2 | 20.353 | 18/6:05.076 |
| 3 | 2 | 20.750 | 18/6:07.884 |
| 4 | 2 | 19.847 | 18/6:05.225 |
| 5 | 3 | 20.079 | 18/6:04.464 |
| 6 | 3 | 20.537 | 18/6:05.331 |
| 7 | 3 | 19.684 | 18/6:03.757 |
| 8 | 3 | 19.445 | 18/6:02.038 |
| 9 | 3 | 19.772 | 18/6:01.356 |
| 10 | 3 | 19.530 | 18/6:00.374 |
| 11 | 3 | 19.614 | 19/6:19.693 |
| 12 | 3 | 20.115 | 19/6:19.900 |
| 13 | 3 | 20.129 | 18/6:00.091 |
| 14 | 3 | 20.161 | 18/6:00.292 |
| 15 | 3 | 20.377 | 18/6:00.725 |
| 16 | 3 | 19.787 | 18/6:00.440 |
| 17 | 2 | 19.585 | 19/6:19.973 |
| 18 | 2 | 19.988 | 19/6:19.962 |