| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 27.358 | N/A |
| 2 | 4 | 20.071 | 21/7:08.778 |
| 3 | 4 | 19.793 | 21/7:05.998 |
| 4 | 5 | 22.154 | 20/7:00.138 |
| 5 | 4 | 20.460 | 21/7:19.748 |
| 6 | 4 | 19.994 | 21/7:17.246 |
| 7 | 5 | 22.761 | 20/7:03.929 |
| 8 | 5 | 23.118 | 20/7:10.025 |
| 9 | 3 | 20.801 | 20/7:09.094 |
| 10 | 3 | 20.274 | 20/7:07.257 |
| 11 | 3 | 20.033 | 20/7:05.330 |
| 12 | 3 | 20.070 | 20/7:03.817 |
| 13 | 3 | 20.497 | 20/7:03.232 |
| 14 | 3 | 21.998 | 20/7:04.931 |
| 15 | 3 | 20.202 | 20/7:03.950 |
| 16 | 3 | 21.447 | 20/7:04.677 |
| 17 | 3 | 20.527 | 20/7:04.220 |
| 18 | 2 | 21.349 | 20/7:04.736 |
| 19 | 2 | 19.877 | 20/7:03.641 |
| 20 | 2 | 20.091 | 20/7:02.875 |