| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 22.359 | N/A |
| 2 | 3 | 21.453 | 20/7:09.966 |
| 3 | 3 | 22.301 | 20/7:18.022 |
| 4 | 4 | 22.575 | 19/7:00.333 |
| 5 | 4 | 22.066 | 19/7:00.136 |
| 6 | 4 | 19.876 | 20/7:13.788 |
| 7 | 4 | 21.997 | 20/7:14.874 |
| 8 | 4 | 19.565 | 20/7:09.048 |
| 9 | 4 | 19.107 | 20/7:03.591 |
| 10 | 4 | 19.340 | 21/7:20.759 |
| 11 | 4 | 22.676 | 20/7:03.175 |
| 12 | 4 | 25.779 | 20/7:11.264 |
| 13 | 4 | 23.284 | 20/7:14.055 |
| 14 | 4 | 19.525 | 20/7:10.923 |
| 15 | 4 | 18.001 | 20/7:06.170 |
| 16 | 4 | 19.659 | 20/7:04.150 |
| 17 | 4 | 23.833 | 20/7:07.340 |
| 18 | 4 | 18.891 | 20/7:04.631 |
| 19 | 4 | 19.585 | 20/7:02.956 |
| 20 | 4 | 27.131 | 20/7:09.003 |