| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 9 | 20.694 | N/A |
| 2 | 5 | 21.732 | 17/6:08.406 |
| 3 | 5 | 20.636 | 18/6:20.822 |
| 4 | 5 | 20.511 | 18/6:17.008 |
| 5 | 7 | 22.741 | 17/6:03.174 |
| 6 | 6 | 22.973 | 17/6:08.191 |
| 7 | 6 | 19.750 | 17/6:02.942 |
| 8 | 6 | 20.018 | 18/6:20.999 |
| 9 | 6 | 20.590 | 18/6:19.714 |
| 10 | 6 | 19.888 | 18/6:17.389 |
| 11 | 6 | 20.481 | 18/6:16.538 |
| 12 | 5 | 22.255 | 18/6:18.582 |
| 13 | 5 | 20.256 | 18/6:17.454 |
| 14 | 5 | 20.148 | 18/6:16.358 |
| 15 | 5 | 20.541 | 18/6:15.896 |
| 16 | 5 | 20.826 | 18/6:15.819 |
| 17 | 5 | 23.300 | 18/6:18.380 |
| 18 | 5 | 21.058 | 18/6:18.398 |