| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.303 | 20/6:06.060 |
| 2 | 2 | 19.024 | 20/6:13.270 |
| 3 | 2 | 18.656 | 20/6:13.220 |
| 4 | 2 | 18.635 | 20/6:13.090 |
| 5 | 3 | 18.332 | 20/6:11.800 |
| 6 | 3 | 18.780 | 20/6:12.433 |
| 7 | 3 | 18.275 | 20/6:11.443 |
| 8 | 3 | 18.416 | 20/6:11.053 |
| 9 | 3 | 18.537 | 20/6:11.018 |
| 10 | 3 | 18.549 | 20/6:11.014 |
| 11 | 2 | 18.681 | 20/6:11.251 |
| 12 | 2 | 18.443 | 20/6:11.052 |
| 13 | 2 | 18.603 | 20/6:11.129 |
| 14 | 3 | 20.610 | 20/6:14.063 |
| 15 | 3 | 18.806 | 20/6:14.200 |
| 16 | 3 | 19.896 | 20/6:15.683 |
| 17 | 2 | 19.483 | 20/6:16.505 |
| 18 | 2 | 19.19 | 20/6:16.699 |
| 19 | 2 | 18.938 | 20/6:16.807 |
| 20 | 2 | 19.013 | 20/6:16.980 |