| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.580 | 21/6:09.180 |
| 2 | 2 | 17.836 | 21/6:11.868 |
| 3 | 2 | 17.692 | 21/6:11.756 |
| 4 | 2 | 18.586 | 21/6:16.393 |
| 5 | 1 | 17.705 | 21/6:15.476 |
| 6 | 2 | 18.414 | 21/6:17.345 |
| 7 | 4 | 20.995 | 20/6:08.023 |
| 8 | 4 | 17.337 | 20/6:05.362 |
| 9 | 4 | 17.963 | 20/6:04.684 |
| 10 | 3 | 18.326 | 20/6:04.868 |
| 11 | 3 | 16.735 | 20/6:02.125 |
| 12 | 3 | 17.224 | 20/6:00.655 |
| 13 | 3 | 17.001 | 21/6:17.021 |
| 14 | 3 | 23.277 | 20/6:06.673 |
| 15 | 4 | 17.463 | 20/6:05.512 |
| 16 | 4 | 18.651 | 20/6:05.981 |
| 17 | 4 | 17.261 | 20/6:04.760 |
| 18 | 4 | 17.299 | 20/6:03.717 |
| 19 | 4 | 17.548 | 20/6:03.045 |
| 20 | 4 | 17.523 | 20/6:02.416 |