| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.239 | 17/6:01.063 |
| 2 | 3 | 19.861 | 18/6:09.900 |
| 3 | 2 | 19.987 | 18/6:06.522 |
| 4 | 2 | 20.188 | 18/6:05.738 |
| 5 | 2 | 19.229 | 18/6:01.814 |
| 6 | 2 | 20.213 | 18/6:02.151 |
| 7 | 2 | 20.187 | 18/6:02.325 |
| 8 | 2 | 20.040 | 18/6:02.124 |
| 9 | 2 | 20.257 | 18/6:02.402 |
| 10 | 2 | 19.766 | 18/6:01.741 |
| 11 | 2 | 21.005 | 18/6:03.227 |
| 12 | 2 | 20.911 | 18/6:04.325 |
| 13 | 2 | 19.424 | 18/6:03.194 |
| 14 | 2 | 19.995 | 18/6:02.960 |
| 15 | 2 | 25.910 | 18/6:09.854 |
| 16 | 2 | 22.754 | 18/6:12.337 |
| 17 | 2 | 19.637 | 18/6:11.227 |
| 18 | 2 | 19.906 | 18/6:10.509 |