| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.120 | 20/6:02.400 |
| 2 | 1 | 18.536 | 20/6:06.560 |
| 3 | 1 | 18.280 | 20/6:06.240 |
| 4 | 2 | 18.136 | 20/6:05.360 |
| 5 | 1 | 18.623 | 20/6:06.780 |
| 6 | 1 | 18.281 | 20/6:06.587 |
| 7 | 1 | 18.035 | 20/6:05.746 |
| 8 | 1 | 18.855 | 20/6:07.165 |
| 9 | 1 | 18.764 | 20/6:08.067 |
| 10 | 1 | 19.573 | 20/6:10.406 |
| 11 | 1 | 18.632 | 20/6:10.609 |
| 12 | 1 | 22.082 | 20/6:16.528 |
| 13 | 1 | 18.643 | 20/6:16.246 |
| 14 | 1 | 19.875 | 20/6:17.764 |
| 15 | 1 | 18.755 | 20/6:17.587 |
| 16 | 1 | 18.497 | 20/6:17.109 |
| 17 | 1 | 18.277 | 20/6:16.428 |
| 18 | 1 | 18.204 | 20/6:15.742 |
| 19 | 1 | 18.048 | 20/6:14.964 |
| 20 | 1 | 18.917 | 20/6:15.133 |