| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 18.086 | 20/6:01.720 |
| 2 | 5 | 21.302 | 19/6:14.186 |
| 3 | 5 | 19.204 | 19/6:11.083 |
| 4 | 4 | 17.925 | 19/6:03.456 |
| 5 | 4 | 18.063 | 20/6:18.320 |
| 6 | 4 | 18.568 | 20/6:17.160 |
| 7 | 4 | 18.352 | 20/6:15.714 |
| 8 | 4 | 19.560 | 20/6:17.650 |
| 9 | 4 | 17.870 | 20/6:15.400 |
| 10 | 4 | 18.116 | 20/6:14.092 |
| 11 | 4 | 18.108 | 20/6:13.007 |
| 12 | 4 | 18.533 | 20/6:12.812 |
| 13 | 4 | 18.052 | 20/6:11.906 |
| 14 | 4 | 21.995 | 20/6:16.763 |
| 15 | 4 | 19.916 | 20/6:18.200 |
| 16 | 4 | 18.157 | 20/6:17.259 |
| 17 | 4 | 18.303 | 20/6:16.600 |
| 18 | 4 | 19.062 | 20/6:16.858 |
| 19 | 5 | 18.637 | 20/6:16.641 |
| 20 | 4 | 18.763 | 20/6:16.572 |