| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 1.679 | N/A |
| 2 | 1 | 24.030 | 21/8:02.279 |
| 3 | 1 | 24.997 | 21/8:11.949 |
| 4 | 1 | 22.585 | 22/8:22.963 |
| 5 | 2 | 27.092 | 21/8:15.199 |
| 6 | 1 | 23.384 | 21/8:10.031 |
| 7 | 1 | 27.678 | 21/8:20.899 |
| 8 | 1 | 22.297 | 21/8:13.287 |
| 9 | 1 | 23.268 | 21/8:10.006 |
| 10 | 1 | 23.537 | 21/8:08.052 |
| 11 | 1 | 23.405 | 21/8:06.225 |
| 12 | 1 | 37.828 | 20/8:05.489 |
| 13 | 3 | 26.468 | 20/8:07.079 |
| 14 | 3 | 22.553 | 20/8:02.703 |
| 15 | 3 | 26.589 | 20/8:04.429 |
| 16 | 1 | 23.916 | 20/8:02.539 |
| 17 | 2 | 36.010 | 20/8:15.247 |
| 18 | 3 | 23.767 | 20/8:12.777 |
| 19 | 3 | 23.855 | 20/8:10.674 |
| 20 | 3 | 27.331 | 20/8:12.269 |