| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 6 | 28.817 | N/A |
| 2 | 4 | 23.046 | 21/8:09.737 |
| 3 | 4 | 21.856 | 22/8:20.288 |
| 4 | 4 | 23.564 | 21/8:05.257 |
| 5 | 4 | 22.370 | 21/8:02.997 |
| 6 | 4 | 27.692 | 21/8:22.929 |
| 7 | 4 | 22.105 | 21/8:17.593 |
| 8 | 3 | 26.293 | 20/8:01.901 |
| 9 | 3 | 22.004 | 21/8:21.142 |
| 10 | 3 | 22.453 | 21/8:18.557 |
| 11 | 3 | 23.337 | 21/8:18.257 |
| 12 | 3 | 21.473 | 21/8:14.622 |
| 13 | 3 | 21.962 | 21/8:12.408 |
| 14 | 3 | 21.628 | 21/8:10.021 |
| 15 | 3 | 22.460 | 21/8:09.164 |
| 16 | 3 | 22.598 | 21/8:08.605 |
| 17 | 3 | 23.085 | 21/8:08.724 |
| 18 | 4 | 23.983 | 21/8:09.886 |
| 19 | 3 | 22.033 | 21/8:08.752 |
| 20 | 3 | 22.157 | 21/8:07.868 |
| 21 | 3 | 22.346 | 21/8:07.262 |