| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.334 | 20/6:06.680 |
| 2 | 3 | 17.827 | 20/6:01.610 |
| 3 | 2 | 17.946 | 20/6:00.713 |
| 4 | 2 | 19.144 | 20/6:06.255 |
| 5 | 2 | 18.179 | 20/6:05.720 |
| 6 | 2 | 17.525 | 20/6:03.183 |
| 7 | 3 | 18.974 | 20/6:05.511 |
| 8 | 3 | 18.220 | 20/6:05.373 |
| 9 | 3 | 18.149 | 20/6:05.107 |
| 10 | 3 | 19.174 | 20/6:06.944 |
| 11 | 3 | 18.524 | 20/6:07.265 |
| 12 | 3 | 18.351 | 20/6:07.245 |
| 13 | 3 | 18.337 | 20/6:07.206 |
| 14 | 3 | 21.028 | 20/6:11.017 |
| 15 | 3 | 18.842 | 20/6:11.405 |
| 16 | 3 | 17.867 | 20/6:10.526 |
| 17 | 3 | 17.743 | 20/6:09.605 |
| 18 | 3 | 18.093 | 20/6:09.174 |
| 19 | 3 | 19.538 | 20/6:10.311 |
| 20 | 3 | 17.764 | 20/6:09.559 |