| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.247 | N/A |
| 2 | 1 | 17.130 | 21/6:00.847 |
| 3 | 1 | 17.258 | 21/6:02.127 |
| 4 | 1 | 17.239 | 21/6:02.427 |
| 5 | 2 | 22.823 | 20/6:11.884 |
| 6 | 2 | 18.297 | 20/6:10.685 |
| 7 | 2 | 17.179 | 20/6:06.346 |
| 8 | 2 | 16.735 | 20/6:02.041 |
| 9 | 2 | 16.688 | 21/6:16.619 |
| 10 | 1 | 17.484 | 21/6:15.653 |
| 11 | 1 | 18.448 | 21/6:16.809 |
| 12 | 1 | 16.963 | 21/6:15.054 |
| 13 | 1 | 16.670 | 21/6:13.103 |
| 14 | 1 | 17.066 | 21/6:12.062 |
| 15 | 1 | 18.281 | 21/6:12.905 |
| 16 | 1 | 16.716 | 21/6:11.549 |
| 17 | 1 | 16.590 | 21/6:10.205 |
| 18 | 1 | 16.775 | 21/6:09.237 |
| 19 | 1 | 17.399 | 21/6:09.070 |
| 20 | 1 | 16.612 | 21/6:08.092 |
| 21 | 1 | 16.801 | 21/6:07.401 |