| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.758 | 18/6:13.644 |
| 2 | 4 | 20.544 | 18/6:11.718 |
| 3 | 3 | 20.613 | 18/6:11.490 |
| 4 | 3 | 21.007 | 18/6:13.149 |
| 5 | 3 | 20.902 | 18/6:13.766 |
| 6 | 3 | 20.528 | 18/6:13.056 |
| 7 | 3 | 20.040 | 18/6:11.294 |
| 8 | 3 | 21.255 | 18/6:12.706 |
| 9 | 3 | 20.465 | 18/6:12.224 |
| 10 | 3 | 21.672 | 18/6:14.011 |
| 11 | 3 | 20.857 | 18/6:14.140 |
| 12 | 3 | 20.584 | 18/6:13.838 |
| 13 | 3 | 21.101 | 18/6:14.298 |
| 14 | 3 | 20.522 | 18/6:13.947 |
| 15 | 3 | 21.019 | 18/6:14.240 |
| 16 | 3 | 21.406 | 18/6:14.932 |
| 17 | 3 | 21.778 | 18/6:15.936 |
| 18 | 3 | 21.270 | 18/6:16.321 |