| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.052 | N/A |
| 2 | 1 | 21.415 | 20/7:05.937 |
| 3 | 1 | 21.835 | 20/7:09.927 |
| 4 | 1 | 24.081 | 19/7:03.038 |
| 5 | 1 | 21.559 | 20/7:21.279 |
| 6 | 2 | 25.532 | 19/7:10.971 |
| 7 | 2 | 22.520 | 19/7:09.878 |
| 8 | 2 | 21.622 | 19/7:06.788 |
| 9 | 1 | 25.161 | 19/7:12.433 |
| 10 | 1 | 21.135 | 19/7:08.772 |
| 11 | 1 | 21.607 | 19/7:06.692 |
| 12 | 1 | 21.575 | 19/7:04.938 |
| 13 | 1 | 21.21 | 19/7:02.615 |
| 14 | 1 | 21.360 | 19/7:01.147 |
| 15 | 1 | 22.502 | 19/7:01.357 |
| 16 | 1 | 22.742 | 19/7:01.827 |
| 17 | 1 | 21.255 | 19/7:00.565 |
| 18 | 1 | 21.153 | 20/7:21.582 |
| 19 | 1 | 20.870 | 20/7:20.138 |
| 20 | 1 | 24.285 | 20/7:22.261 |