| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.644 | 21/6:10.524 |
| 2 | 2 | 17.300 | 21/6:06.912 |
| 3 | 2 | 18.738 | 21/6:15.774 |
| 4 | 2 | 17.182 | 21/6:12.036 |
| 5 | 3 | 19.832 | 20/6:02.784 |
| 6 | 2 | 18.007 | 20/6:02.343 |
| 7 | 2 | 18.041 | 20/6:02.126 |
| 8 | 2 | 18.562 | 20/6:03.265 |
| 9 | 2 | 18.438 | 20/6:03.876 |
| 10 | 2 | 18.495 | 20/6:04.478 |
| 11 | 3 | 18.261 | 20/6:04.545 |
| 12 | 3 | 18.105 | 20/6:04.342 |
| 13 | 3 | 17.962 | 20/6:03.949 |
| 14 | 3 | 19.656 | 20/6:06.033 |
| 15 | 3 | 18.099 | 20/6:05.763 |
| 16 | 3 | 17.668 | 20/6:04.987 |
| 17 | 3 | 17.719 | 20/6:04.364 |
| 18 | 3 | 17.496 | 20/6:03.561 |
| 19 | 3 | 17.305 | 20/6:02.642 |
| 20 | 3 | 19.220 | 20/6:03.730 |