| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 23.485 | N/A |
| 2 | 1 | 19.861 | 21/7:00.705 |
| 3 | 1 | 20.443 | 21/7:06.525 |
| 4 | 1 | 21.689 | 21/7:16.771 |
| 5 | 2 | 23.067 | 20/7:07.052 |
| 6 | 2 | 19.771 | 20/7:01.842 |
| 7 | 2 | 19.944 | 21/7:19.401 |
| 8 | 2 | 22.748 | 20/7:03.904 |
| 9 | 2 | 19.972 | 20/7:01.285 |
| 10 | 2 | 19.725 | 21/7:19.529 |
| 11 | 2 | 20.455 | 21/7:18.835 |
| 12 | 2 | 23.560 | 20/7:02.890 |
| 13 | 2 | 19.357 | 20/7:00.255 |
| 14 | 1 | 20.307 | 21/7:20.252 |
| 15 | 1 | 19.820 | 21/7:18.797 |
| 16 | 1 | 19.787 | 21/7:17.493 |
| 17 | 3 | 31.837 | 20/7:10.017 |
| 18 | 3 | 20.086 | 20/7:08.552 |
| 19 | 3 | 20.183 | 20/7:07.353 |
| 20 | 3 | 20.409 | 20/7:06.506 |