| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.209 | 20/6:04.180 |
| 2 | 2 | 18.064 | 20/6:02.730 |
| 3 | 1 | 19.035 | 20/6:08.720 |
| 4 | 1 | 18.688 | 20/6:09.980 |
| 5 | 1 | 18.505 | 20/6:10.004 |
| 6 | 2 | 17.952 | 20/6:08.177 |
| 7 | 2 | 18.607 | 20/6:08.743 |
| 8 | 2 | 18.961 | 20/6:10.053 |
| 9 | 2 | 18.238 | 20/6:09.464 |
| 10 | 2 | 18.315 | 20/6:09.148 |
| 11 | 2 | 18.720 | 20/6:09.625 |
| 12 | 2 | 18.120 | 20/6:09.023 |
| 13 | 2 | 22.421 | 20/6:15.131 |
| 14 | 3 | 30.549 | 19/6:12.378 |
| 15 | 3 | 18.609 | 19/6:11.124 |
| 16 | 3 | 19.992 | 19/6:11.670 |
| 17 | 2 | 17.934 | 19/6:09.851 |
| 18 | 2 | 25.811 | 19/6:16.548 |
| 19 | 2 | 23.222 | 19/6:19.952 |