| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.751 | 21/6:12.771 |
| 2 | 4 | 17.200 | 21/6:06.986 |
| 3 | 4 | 17.827 | 21/6:09.446 |
| 4 | 4 | 17.217 | 21/6:07.474 |
| 5 | 6 | 17.505 | 21/6:07.500 |
| 6 | 5 | 17.914 | 21/6:08.949 |
| 7 | 4 | 17.145 | 21/6:07.677 |
| 8 | 5 | 17.579 | 21/6:07.862 |
| 9 | 5 | 17.686 | 21/6:08.256 |
| 10 | 6 | 17.522 | 21/6:08.227 |
| 11 | 6 | 17.272 | 21/6:07.725 |
| 12 | 5 | 18.254 | 21/6:09.026 |
| 13 | 5 | 17.365 | 21/6:08.691 |
| 14 | 5 | 17.811 | 21/6:09.072 |
| 15 | 5 | 18.090 | 21/6:09.793 |
| 16 | 5 | 18.631 | 21/6:11.134 |
| 17 | 5 | 18.070 | 21/6:11.625 |
| 18 | 5 | 18.355 | 21/6:12.393 |
| 19 | 5 | 19.028 | 21/6:13.824 |
| 20 | 5 | 17.800 | 21/6:13.823 |
| 21 | 6 | 17.808 | 21/6:13.830 |