| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.678 | 22/7:12.916 |
| 2 | 2 | 20.127 | 22/7:17.855 |
| 3 | 2 | 18.939 | 22/7:10.789 |
| 4 | 2 | 18.377 | 22/7:04.165 |
| 5 | 2 | 24.063 | 21/7:04.973 |
| 6 | 3 | 23.599 | 21/7:16.740 |
| 7 | 3 | 21.459 | 21/7:18.726 |
| 8 | 3 | 18.519 | 21/7:12.498 |
| 9 | 3 | 25.688 | 20/7:03.220 |
| 10 | 3 | 22.356 | 20/7:05.610 |
| 11 | 4 | 23.549 | 20/7:09.735 |
| 12 | 4 | 25.707 | 20/7:16.768 |
| 13 | 4 | 19.617 | 20/7:13.351 |
| 14 | 4 | 20.435 | 20/7:11.590 |
| 15 | 4 | 23.544 | 20/7:14.209 |
| 16 | 4 | 19.187 | 20/7:11.055 |
| 17 | 4 | 22.096 | 20/7:11.694 |
| 18 | 4 | 19.169 | 20/7:09.010 |
| 19 | 3 | 20.728 | 20/7:08.249 |
| 20 | 3 | 18.493 | 20/7:05.330 |