| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.379 | 20/7:07.580 |
| 2 | 3 | 21.489 | 20/7:08.680 |
| 3 | 3 | 20.503 | 20/7:02.473 |
| 4 | 2 | 22.748 | 20/7:10.595 |
| 5 | 3 | 20.742 | 20/7:07.444 |
| 6 | 3 | 24.152 | 20/7:16.710 |
| 7 | 3 | 20.360 | 20/7:12.494 |
| 8 | 3 | 20.971 | 20/7:10.860 |
| 9 | 3 | 23.544 | 20/7:15.307 |
| 10 | 3 | 20.517 | 20/7:12.810 |
| 11 | 3 | 21.244 | 20/7:12.089 |
| 12 | 3 | 20.311 | 20/7:09.933 |
| 13 | 3 | 20.083 | 20/7:07.758 |
| 14 | 3 | 20.381 | 20/7:06.320 |
| 15 | 3 | 21.792 | 20/7:06.955 |
| 16 | 3 | 20.179 | 20/7:05.494 |
| 17 | 3 | 19.943 | 20/7:03.927 |
| 18 | 3 | 21.323 | 20/7:04.068 |
| 19 | 3 | 24.001 | 20/7:07.013 |
| 20 | 3 | 20.898 | 20/7:06.560 |