| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.164 | 18/6:02.952 |
| 2 | 2 | 19.983 | 18/6:01.323 |
| 3 | 3 | 22.885 | 18/6:18.192 |
| 4 | 3 | 19.959 | 18/6:13.460 |
| 5 | 3 | 20.065 | 18/6:11.002 |
| 6 | 3 | 19.522 | 18/6:07.734 |
| 7 | 2 | 20.933 | 18/6:09.028 |
| 8 | 2 | 19.858 | 18/6:07.580 |
| 9 | 2 | 20.164 | 18/6:07.066 |
| 10 | 2 | 19.700 | 18/6:05.819 |
| 11 | 2 | 19.960 | 18/6:05.225 |
| 12 | 2 | 20.103 | 18/6:04.944 |
| 13 | 2 | 20.683 | 18/6:05.509 |
| 14 | 2 | 20.188 | 18/6:05.358 |
| 15 | 2 | 23.431 | 18/6:09.118 |
| 16 | 2 | 20.220 | 18/6:08.795 |
| 17 | 2 | 20.598 | 18/6:08.911 |
| 18 | 2 | 19.994 | 18/6:08.410 |