| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.447 | 20/6:08.940 |
| 2 | 3 | 17.616 | 20/6:00.630 |
| 3 | 3 | 20.305 | 20/6:15.787 |
| 4 | 3 | 19.363 | 20/6:18.655 |
| 5 | 2 | 18.082 | 20/6:15.252 |
| 6 | 3 | 18.015 | 20/6:12.760 |
| 7 | 3 | 17.681 | 20/6:10.026 |
| 8 | 4 | 20.374 | 20/6:14.707 |
| 9 | 4 | 17.520 | 20/6:12.007 |
| 10 | 4 | 18.494 | 20/6:11.794 |
| 11 | 4 | 19.474 | 20/6:13.402 |
| 12 | 4 | 18.433 | 20/6:13.007 |
| 13 | 4 | 18.801 | 20/6:13.238 |
| 14 | 4 | 23.286 | 19/6:00.852 |
| 15 | 4 | 18.255 | 20/6:18.861 |
| 16 | 4 | 17.382 | 20/6:16.910 |
| 17 | 4 | 18.670 | 20/6:16.704 |
| 18 | 4 | 18.256 | 20/6:16.060 |
| 19 | 4 | 20.128 | 20/6:17.455 |
| 20 | 4 | 23.240 | 20/6:21.822 |