| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.700 | N/A |
| 2 | 4 | 18.239 | 20/6:08.241 |
| 3 | 3 | 18.18 | 20/6:05.970 |
| 4 | 3 | 19.223 | 20/6:12.959 |
| 5 | 3 | 17.296 | 20/6:07.300 |
| 6 | 3 | 18.723 | 20/6:09.327 |
| 7 | 3 | 20.392 | 20/6:15.964 |
| 8 | 3 | 18.332 | 20/6:15.113 |
| 9 | 3 | 17.686 | 20/6:12.941 |
| 10 | 3 | 17.463 | 20/6:10.780 |
| 11 | 3 | 18.004 | 20/6:10.080 |
| 12 | 3 | 17.506 | 20/6:08.646 |
| 13 | 3 | 17.699 | 20/6:07.758 |
| 14 | 3 | 18.385 | 20/6:08.008 |
| 15 | 3 | 18.095 | 20/6:07.829 |
| 16 | 3 | 18.028 | 20/6:07.589 |
| 17 | 4 | 24.141 | 20/6:14.639 |
| 18 | 4 | 17.909 | 20/6:13.894 |
| 19 | 4 | 17.484 | 20/6:12.783 |
| 20 | 4 | 17.831 | 20/6:12.136 |