| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.349 | 20/6:06.980 |
| 2 | 1 | 18.058 | 20/6:04.070 |
| 3 | 1 | 18.800 | 20/6:08.047 |
| 4 | 1 | 18.962 | 20/6:10.845 |
| 5 | 2 | 21.275 | 19/6:02.687 |
| 6 | 2 | 18.706 | 19/6:01.475 |
| 7 | 2 | 19.415 | 19/6:02.534 |
| 8 | 2 | 18.202 | 19/6:00.447 |
| 9 | 2 | 18.924 | 19/6:00.348 |
| 10 | 2 | 18.650 | 20/6:18.682 |
| 11 | 2 | 19.681 | 19/6:01.038 |
| 12 | 2 | 19.334 | 19/6:01.564 |
| 13 | 2 | 19.639 | 19/6:02.454 |
| 14 | 2 | 18.347 | 19/6:01.464 |
| 15 | 2 | 18.945 | 19/6:01.364 |
| 16 | 2 | 18.875 | 19/6:01.192 |
| 17 | 2 | 18.910 | 19/6:01.080 |
| 18 | 2 | 18.303 | 19/6:00.340 |
| 19 | 2 | 19.221 | 19/6:00.596 |