| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.688 | 21/6:11.448 |
| 2 | 4 | 17.093 | 21/6:05.200 |
| 3 | 4 | 17.657 | 21/6:07.066 |
| 4 | 4 | 17.597 | 21/6:07.684 |
| 5 | 4 | 17.415 | 21/6:07.290 |
| 6 | 4 | 17.326 | 21/6:06.716 |
| 7 | 5 | 17.396 | 21/6:06.516 |
| 8 | 2 | 19.398 | 21/6:11.621 |
| 9 | 3 | 17.447 | 21/6:11.040 |
| 10 | 3 | 17.878 | 21/6:11.479 |
| 11 | 3 | 17.792 | 21/6:11.675 |
| 12 | 3 | 17.428 | 21/6:11.201 |
| 13 | 3 | 17.243 | 21/6:10.501 |
| 14 | 3 | 17.829 | 21/6:10.780 |
| 15 | 3 | 18.428 | 21/6:11.861 |
| 16 | 3 | 18.134 | 21/6:12.421 |
| 17 | 3 | 17.388 | 21/6:11.993 |
| 18 | 3 | 17.635 | 21/6:11.901 |
| 19 | 3 | 18.328 | 21/6:12.584 |
| 20 | 3 | 20.544 | 21/6:15.526 |
| 21 | 3 | 17.727 | 21/6:15.371 |