| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.668 | N/A |
| 2 | 1 | 20.958 | 21/7:17.828 |
| 3 | 1 | 20.291 | 21/7:11.158 |
| 4 | 1 | 20.989 | 21/7:13.588 |
| 5 | 2 | 24.125 | 20/7:08.892 |
| 6 | 2 | 20.526 | 20/7:04.846 |
| 7 | 2 | 22.333 | 20/7:07.871 |
| 8 | 2 | 20.441 | 20/7:04.896 |
| 9 | 2 | 20.354 | 20/7:02.458 |
| 10 | 2 | 20.576 | 20/7:01.031 |
| 11 | 2 | 20.288 | 21/7:20.043 |
| 12 | 2 | 20.376 | 21/7:19.135 |
| 13 | 2 | 20.450 | 21/7:18.179 |
| 14 | 2 | 21.250 | 21/7:18.601 |
| 15 | 2 | 22.876 | 20/7:00.155 |
| 16 | 2 | 20.185 | 21/7:20.025 |
| 17 | 2 | 20.247 | 21/7:18.999 |
| 18 | 2 | 20.271 | 21/7:18.122 |
| 19 | 2 | 24.253 | 20/7:00.611 |
| 20 | 3 | 22.100 | 20/7:01.557 |