| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 30.883 | N/A |
| 2 | 3 | 24.007 | 20/8:07.016 |
| 3 | 2 | 25.398 | 20/8:20.230 |
| 4 | 1 | 28.122 | 19/8:16.045 |
| 5 | 1 | 24.441 | 19/8:09.739 |
| 6 | 1 | 24.265 | 19/8:05.321 |
| 7 | 1 | 25.717 | 19/8:06.733 |
| 8 | 1 | 24.110 | 19/8:03.608 |
| 9 | 1 | 23.971 | 19/8:00.952 |
| 10 | 1 | 24.578 | 19/8:00.101 |
| 11 | 1 | 24.106 | 20/8:23.441 |
| 12 | 1 | 24.191 | 20/8:22.266 |
| 13 | 1 | 23.759 | 20/8:20.602 |
| 14 | 1 | 24.897 | 20/8:20.858 |
| 15 | 2 | 28.152 | 19/8:00.515 |
| 16 | 1 | 24.775 | 19/8:00.269 |
| 17 | 1 | 23.842 | 20/8:23.901 |
| 18 | 1 | 23.510 | 20/8:22.352 |
| 19 | 1 | 25.414 | 20/8:22.985 |
| 20 | 1 | 25.070 | 20/8:23.208 |