| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.629 | 21/7:13.209 |
| 2 | 1 | 19.379 | 21/7:00.084 |
| 3 | 2 | 23.175 | 20/7:01.220 |
| 4 | 2 | 19.923 | 21/7:16.307 |
| 5 | 3 | 28.768 | 19/7:05.121 |
| 6 | 2 | 21.388 | 19/7:01.996 |
| 7 | 3 | 23.848 | 19/7:06.441 |
| 8 | 3 | 22.755 | 19/7:07.179 |
| 9 | 2 | 22.703 | 19/7:07.644 |
| 10 | 2 | 19.605 | 19/7:02.129 |
| 11 | 2 | 23.048 | 19/7:03.564 |
| 12 | 3 | 23.514 | 19/7:05.497 |
| 13 | 2 | 19.681 | 19/7:01.531 |
| 14 | 2 | 22.160 | 19/7:01.496 |
| 15 | 2 | 21.349 | 19/7:00.438 |
| 16 | 2 | 20.226 | 20/7:20.189 |
| 17 | 2 | 20.739 | 20/7:18.694 |
| 18 | 2 | 20.108 | 20/7:16.664 |
| 19 | 2 | 21.318 | 20/7:16.122 |
| 20 | 2 | 19.817 | 20/7:14.133 |