| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.846 | 21/6:14.766 |
| 2 | 1 | 17.514 | 21/6:11.280 |
| 3 | 1 | 17.319 | 21/6:08.753 |
| 4 | 3 | 21.233 | 20/6:09.560 |
| 5 | 3 | 20.709 | 20/6:18.484 |
| 6 | 3 | 18.243 | 20/6:16.213 |
| 7 | 4 | 24.279 | 19/6:12.245 |
| 8 | 4 | 21.171 | 19/6:15.996 |
| 9 | 4 | 28.784 | 18/6:14.196 |
| 10 | 4 | 21.971 | 18/6:16.324 |
| 11 | 4 | 19.253 | 18/6:13.618 |
| 12 | 4 | 20.840 | 18/6:13.743 |
| 13 | 4 | 22.981 | 18/6:16.813 |
| 14 | 4 | 18.360 | 18/6:13.504 |
| 15 | 4 | 18.262 | 18/6:10.518 |
| 16 | 4 | 18.644 | 18/6:08.335 |
| 17 | 4 | 17.670 | 18/6:05.378 |
| 18 | 4 | 19.478 | 18/6:04.557 |