| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 28.073 | N/A |
| 2 | 2 | 20.287 | 21/7:13.813 |
| 3 | 2 | 20.281 | 21/7:13.753 |
| 4 | 1 | 20.044 | 21/7:12.153 |
| 5 | 1 | 19.924 | 21/7:10.753 |
| 6 | 1 | 20.245 | 21/7:11.197 |
| 7 | 1 | 21.074 | 21/7:14.256 |
| 8 | 1 | 20.735 | 21/7:15.473 |
| 9 | 2 | 22.551 | 20/7:00.282 |
| 10 | 2 | 21.766 | 20/7:02.654 |
| 11 | 2 | 21.799 | 20/7:04.614 |
| 12 | 2 | 20.801 | 20/7:04.494 |
| 13 | 2 | 20.209 | 20/7:03.456 |
| 14 | 2 | 19.648 | 20/7:01.758 |
| 15 | 2 | 22.928 | 20/7:04.755 |
| 16 | 2 | 22.836 | 20/7:07.235 |
| 17 | 2 | 22.787 | 20/7:09.347 |
| 18 | 2 | 20.781 | 20/7:08.968 |
| 19 | 2 | 20.084 | 20/7:07.896 |
| 20 | 2 | 19.525 | 20/7:06.378 |