| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.863 | N/A |
| 2 | 1 | 20.326 | 21/7:05.383 |
| 3 | 1 | 23.608 | 20/7:16.236 |
| 4 | 1 | 23.188 | 19/7:01.595 |
| 5 | 1 | 22.054 | 19/7:00.155 |
| 6 | 2 | 21.767 | 20/7:20.446 |
| 7 | 1 | 20.174 | 20/7:14.066 |
| 8 | 2 | 28.266 | 19/7:08.705 |
| 9 | 2 | 19.791 | 19/7:02.004 |
| 10 | 2 | 20.513 | 20/7:20.424 |
| 11 | 2 | 20.422 | 20/7:17.070 |
| 12 | 2 | 20.899 | 20/7:15.149 |
| 13 | 1 | 20.912 | 20/7:13.569 |
| 14 | 2 | 24.425 | 20/7:17.367 |
| 15 | 2 | 20.993 | 20/7:15.964 |
| 16 | 1 | 25.278 | 20/7:20.176 |
| 17 | 1 | 19.967 | 20/7:17.555 |
| 18 | 1 | 20.147 | 20/7:15.443 |
| 19 | 1 | 20.073 | 20/7:13.488 |
| 20 | 1 | 20.172 | 20/7:11.838 |