| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.499 | 21/6:07.479 |
| 2 | 4 | 18.350 | 21/6:16.415 |
| 3 | 4 | 17.917 | 21/6:16.362 |
| 4 | 5 | 18.998 | 20/6:03.820 |
| 5 | 5 | 19.226 | 20/6:07.960 |
| 6 | 5 | 17.610 | 20/6:05.333 |
| 7 | 5 | 20.493 | 20/6:11.694 |
| 8 | 5 | 21.971 | 19/6:01.152 |
| 9 | 5 | 18.132 | 20/6:18.213 |
| 10 | 5 | 18.638 | 20/6:17.668 |
| 11 | 5 | 18.160 | 20/6:16.353 |
| 12 | 5 | 18.638 | 20/6:16.053 |
| 13 | 5 | 18.433 | 20/6:15.485 |
| 14 | 5 | 17.419 | 20/6:13.549 |
| 15 | 5 | 19.130 | 20/6:14.152 |
| 16 | 5 | 18.259 | 20/6:13.591 |
| 17 | 5 | 18.331 | 20/6:13.181 |
| 18 | 5 | 17.545 | 20/6:11.943 |
| 19 | 5 | 18.421 | 20/6:11.758 |
| 20 | 4 | 18.527 | 20/6:11.697 |