| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.845 | 19/6:17.055 |
| 2 | 4 | 20.397 | 18/6:02.178 |
| 3 | 4 | 20.028 | 18/6:01.620 |
| 4 | 5 | 20.172 | 18/6:01.989 |
| 5 | 3 | 19.575 | 18/6:00.061 |
| 6 | 3 | 20.782 | 18/6:02.397 |
| 7 | 4 | 19.933 | 18/6:01.882 |
| 8 | 5 | 19.550 | 18/6:00.635 |
| 9 | 3 | 20.332 | 18/6:01.228 |
| 10 | 4 | 19.772 | 18/6:00.695 |
| 11 | 4 | 20.714 | 18/6:01.800 |
| 12 | 5 | 22.252 | 18/6:05.028 |
| 13 | 5 | 20.669 | 18/6:05.568 |
| 14 | 3 | 19.914 | 18/6:05.059 |
| 15 | 4 | 21.780 | 18/6:06.858 |
| 16 | 5 | 20.216 | 18/6:06.672 |
| 17 | 3 | 20.852 | 18/6:07.182 |
| 18 | 5 | 20.900 | 18/6:07.683 |