| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.277 | 20/6:05.540 |
| 2 | 2 | 18.446 | 20/6:07.230 |
| 3 | 1 | 17.538 | 20/6:01.740 |
| 4 | 1 | 18.208 | 20/6:02.345 |
| 5 | 1 | 18.427 | 20/6:03.584 |
| 6 | 1 | 17.959 | 20/6:02.850 |
| 7 | 1 | 17.613 | 20/6:01.337 |
| 8 | 1 | 18.137 | 20/6:01.512 |
| 9 | 1 | 18.182 | 20/6:01.749 |
| 10 | 1 | 17.851 | 20/6:01.276 |
| 11 | 1 | 17.901 | 20/6:00.980 |
| 12 | 1 | 17.914 | 20/6:00.755 |
| 13 | 1 | 17.775 | 20/6:00.351 |
| 14 | 1 | 18.201 | 20/6:00.613 |
| 15 | 1 | 18.447 | 20/6:01.168 |
| 16 | 1 | 18.175 | 20/6:01.314 |
| 17 | 1 | 18.400 | 20/6:01.707 |
| 18 | 1 | 20.728 | 20/6:04.643 |
| 19 | 1 | 19.296 | 20/6:05.763 |
| 20 | 1 | 21.010 | 20/6:08.485 |