| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.040 | 19/6:01.760 |
| 2 | 4 | 25.073 | 17/6:14.961 |
| 3 | 4 | 19.854 | 17/6:02.480 |
| 4 | 4 | 19.385 | 18/6:15.084 |
| 5 | 4 | 18.744 | 18/6:07.546 |
| 6 | 4 | 17.929 | 18/6:00.075 |
| 7 | 4 | 18.707 | 19/6:16.558 |
| 8 | 4 | 20.031 | 19/6:17.062 |
| 9 | 4 | 18.948 | 19/6:15.168 |
| 10 | 4 | 19.831 | 19/6:15.330 |
| 11 | 4 | 22.777 | 18/6:00.522 |
| 12 | 4 | 25.586 | 18/6:08.858 |
| 13 | 4 | 20.258 | 18/6:08.533 |
| 14 | 4 | 18.670 | 18/6:06.214 |
| 15 | 4 | 18.312 | 18/6:03.774 |
| 16 | 4 | 21.625 | 18/6:05.366 |
| 17 | 4 | 19.140 | 18/6:04.140 |
| 18 | 4 | 19.196 | 18/6:03.106 |