| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.423 | 20/6:08.460 |
| 2 | 3 | 19.151 | 20/6:15.740 |
| 3 | 3 | 18.005 | 20/6:10.527 |
| 4 | 3 | 19.173 | 20/6:13.760 |
| 5 | 3 | 18.957 | 20/6:14.836 |
| 6 | 3 | 19.564 | 20/6:17.577 |
| 7 | 3 | 18.040 | 20/6:15.180 |
| 8 | 3 | 18.415 | 20/6:14.320 |
| 9 | 3 | 18.260 | 20/6:13.307 |
| 10 | 3 | 18.794 | 20/6:13.564 |
| 11 | 4 | 21.390 | 20/6:18.495 |
| 12 | 4 | 18.238 | 20/6:17.350 |
| 13 | 3 | 17.833 | 20/6:15.758 |
| 14 | 3 | 18.740 | 20/6:15.690 |
| 15 | 3 | 20.217 | 20/6:17.600 |
| 16 | 4 | 23.135 | 19/6:03.773 |
| 17 | 4 | 19.075 | 19/6:03.694 |
| 18 | 4 | 18.152 | 19/6:02.649 |
| 19 | 4 | 18.705 | 19/6:02.267 |