| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.377 | 20/6:07.540 |
| 2 | 3 | 18.786 | 20/6:11.630 |
| 3 | 2 | 18.008 | 20/6:07.807 |
| 4 | 2 | 18.326 | 20/6:07.485 |
| 5 | 2 | 18.731 | 20/6:08.912 |
| 6 | 2 | 19.143 | 20/6:11.237 |
| 7 | 3 | 21.603 | 19/6:00.929 |
| 8 | 3 | 18.608 | 19/6:00.007 |
| 9 | 3 | 18.058 | 20/6:16.978 |
| 10 | 3 | 18.640 | 20/6:16.560 |
| 11 | 2 | 18.486 | 20/6:15.938 |
| 12 | 1 | 17.800 | 20/6:14.277 |
| 13 | 1 | 18.439 | 20/6:13.854 |
| 14 | 1 | 17.871 | 20/6:12.680 |
| 15 | 1 | 18.139 | 20/6:12.020 |
| 16 | 1 | 18.595 | 20/6:12.013 |
| 17 | 1 | 18.519 | 20/6:11.916 |
| 18 | 1 | 18.351 | 20/6:11.644 |
| 19 | 1 | 18.025 | 20/6:11.058 |
| 20 | 1 | 18.811 | 20/6:11.316 |