| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 27.552 | N/A |
| 2 | 3 | 23.917 | 20/8:01.975 |
| 3 | 4 | 31.966 | 18/8:22.557 |
| 4 | 4 | 22.756 | 19/8:19.386 |
| 5 | 4 | 23.027 | 19/8:05.049 |
| 6 | 4 | 22.603 | 20/8:19.774 |
| 7 | 4 | 24.307 | 20/8:18.042 |
| 8 | 4 | 26.271 | 20/8:22.136 |
| 9 | 4 | 22.560 | 20/8:16.393 |
| 10 | 3 | 25.141 | 20/8:17.375 |
| 11 | 3 | 24.134 | 20/8:16.247 |
| 12 | 3 | 22.220 | 20/8:12.019 |
| 13 | 3 | 22.830 | 20/8:09.461 |
| 14 | 3 | 23.073 | 20/8:07.651 |
| 15 | 3 | 21.629 | 20/8:04.141 |
| 16 | 3 | 23.038 | 20/8:02.883 |
| 17 | 4 | 22.450 | 20/8:01.084 |
| 18 | 3 | 22.692 | 21/8:23.568 |
| 19 | 2 | 25.601 | 20/8:01.667 |
| 20 | 2 | 22.342 | 20/8:00.109 |