| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 26.394 | N/A |
| 2 | 4 | 28.867 | 17/8:08.266 |
| 3 | 4 | 25.976 | 18/8:12.559 |
| 4 | 4 | 29.937 | 18/8:26.814 |
| 5 | 4 | 21.824 | 19/8:26.112 |
| 6 | 4 | 27.012 | 18/8:00.688 |
| 7 | 4 | 28.665 | 18/8:06.190 |
| 8 | 4 | 22.561 | 19/8:21.702 |
| 9 | 4 | 22.324 | 19/8:12.517 |
| 10 | 4 | 29.117 | 19/8:18.096 |
| 11 | 4 | 26.366 | 19/8:19.162 |
| 12 | 4 | 24.629 | 19/8:16.485 |
| 13 | 4 | 22.798 | 19/8:11.508 |
| 14 | 4 | 25.299 | 19/8:10.759 |
| 15 | 4 | 23.322 | 19/8:07.575 |
| 16 | 4 | 24.276 | 19/8:05.961 |
| 17 | 4 | 22.070 | 19/8:02.067 |
| 18 | 4 | 20.958 | 20/8:22.512 |
| 19 | 4 | 20.935 | 20/8:18.159 |
| 20 | 4 | 31.218 | 20/8:24.548 |