| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 4.026 | N/A |
| 2 | 3 | 20.339 | 22/7:11.145 |
| 3 | 2 | 22.310 | 21/7:10.516 |
| 4 | 2 | 20.460 | 21/7:04.752 |
| 5 | 2 | 19.989 | 22/7:20.290 |
| 6 | 2 | 24.076 | 21/7:12.722 |
| 7 | 2 | 20.264 | 21/7:08.819 |
| 8 | 2 | 19.797 | 21/7:04.697 |
| 9 | 3 | 23.316 | 21/7:10.403 |
| 10 | 3 | 20.962 | 21/7:09.610 |
| 11 | 3 | 20.128 | 21/7:07.308 |
| 12 | 3 | 19.618 | 21/7:04.496 |
| 13 | 3 | 19.574 | 21/7:02.081 |
| 14 | 2 | 20.788 | 21/7:01.904 |
| 15 | 2 | 20.289 | 21/7:01.040 |
| 16 | 2 | 19.824 | 22/7:20.453 |
| 17 | 3 | 21.116 | 21/7:00.088 |
| 18 | 4 | 20.536 | 22/7:20.561 |
| 19 | 4 | 20.538 | 22/7:20.270 |
| 20 | 4 | 20.028 | 22/7:19.446 |
| 21 | 4 | 25.413 | 21/7:03.391 |