| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.695 | 22/7:13.290 |
| 2 | 3 | 23.857 | 20/7:15.520 |
| 3 | 4 | 19.260 | 21/7:19.684 |
| 4 | 3 | 21.643 | 20/7:02.275 |
| 5 | 4 | 24.812 | 20/7:17.068 |
| 6 | 2 | 23.574 | 19/7:00.663 |
| 7 | 2 | 17.811 | 20/7:10.434 |
| 8 | 2 | 18.223 | 20/7:02.188 |
| 9 | 2 | 19.864 | 21/7:20.391 |
| 10 | 2 | 21.074 | 21/7:20.607 |
| 11 | 3 | 21.448 | 20/7:00.475 |
| 12 | 3 | 22.013 | 20/7:02.123 |
| 13 | 3 | 19.606 | 21/7:20.806 |
| 14 | 3 | 24.296 | 20/7:04.537 |
| 15 | 3 | 22.310 | 20/7:05.981 |
| 16 | 4 | 19.731 | 20/7:04.021 |
| 17 | 3 | 17.579 | 21/7:20.748 |
| 18 | 3 | 17.795 | 21/7:17.023 |
| 19 | 4 | 26.640 | 20/7:02.348 |
| 20 | 5 | 19.618 | 20/7:00.849 |