| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 2.566 | N/A |
| 2 | 2 | 24.216 | 21/8:06.886 |
| 3 | 2 | 25.975 | 21/8:24.476 |
| 4 | 3 | 24.432 | 21/8:20.052 |
| 5 | 4 | 32.066 | 19/8:02.666 |
| 6 | 4 | 25.918 | 20/8:26.472 |
| 7 | 4 | 22.188 | 20/8:12.750 |
| 8 | 3 | 19.348 | 21/8:20.117 |
| 9 | 3 | 21.796 | 21/8:12.413 |
| 10 | 3 | 22.146 | 21/8:07.199 |
| 11 | 3 | 20.496 | 22/8:23.586 |
| 12 | 3 | 43.319 | 20/8:09.484 |
| 13 | 3 | 23.447 | 20/8:06.032 |
| 14 | 3 | 24.007 | 20/8:03.929 |
| 15 | 3 | 24.171 | 20/8:02.349 |
| 16 | 3 | 26.133 | 20/8:03.466 |
| 17 | 4 | 21.993 | 21/8:24.629 |
| 18 | 1 | 25.388 | 21/8:24.964 |
| 19 | 1 | 22.315 | 21/8:21.848 |
| 20 | 1 | 27.768 | 21/8:24.799 |
| 21 | 1 | 31.451 | 21/8:31.139 |