| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 27.522 | N/A |
| 2 | 2 | 23.055 | 21/8:08.622 |
| 3 | 2 | 24.390 | 21/8:21.972 |
| 4 | 2 | 24.615 | 20/8:03.902 |
| 5 | 2 | 26.775 | 20/8:16.988 |
| 6 | 2 | 23.126 | 20/8:10.973 |
| 7 | 1 | 23.406 | 20/8:07.850 |
| 8 | 1 | 22.900 | 20/8:04.246 |
| 9 | 2 | 24.587 | 20/8:05.550 |
| 10 | 1 | 22.137 | 20/8:01.391 |
| 11 | 2 | 24.466 | 20/8:02.490 |
| 12 | 2 | 24.235 | 20/8:02.099 |
| 13 | 2 | 27.886 | 20/8:09.187 |
| 14 | 2 | 29.872 | 20/8:17.333 |
| 15 | 2 | 22.281 | 20/8:14.014 |
| 16 | 2 | 22.441 | 20/8:11.339 |
| 17 | 2 | 21.183 | 20/8:07.506 |
| 18 | 1 | 23.085 | 20/8:06.249 |
| 19 | 1 | 21.081 | 20/8:03.016 |
| 20 | 1 | 22.960 | 20/8:02.003 |