| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.411 | 20/6:08.220 |
| 2 | 4 | 18.826 | 20/6:12.370 |
| 3 | 4 | 18.289 | 20/6:10.173 |
| 4 | 6 | 18.850 | 20/6:11.880 |
| 5 | 5 | 18.466 | 20/6:11.368 |
| 6 | 5 | 20.108 | 20/6:16.500 |
| 7 | 5 | 18.549 | 20/6:15.711 |
| 8 | 7 | 21.909 | 19/6:04.344 |
| 9 | 7 | 18.714 | 19/6:03.369 |
| 10 | 7 | 18.278 | 19/6:01.760 |
| 11 | 7 | 18.461 | 19/6:00.760 |
| 12 | 6 | 18.563 | 19/6:00.088 |
| 13 | 6 | 18.980 | 19/6:00.129 |
| 14 | 6 | 18.911 | 19/6:00.070 |
| 15 | 5 | 18.555 | 20/6:18.493 |
| 16 | 4 | 18.137 | 20/6:17.509 |
| 17 | 4 | 18.456 | 20/6:17.015 |
| 18 | 5 | 18.252 | 20/6:16.350 |
| 19 | 4 | 18.901 | 20/6:16.438 |
| 20 | 4 | 18.890 | 20/6:16.506 |