| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.321 | 19/6:07.099 |
| 2 | 1 | 19.907 | 19/6:12.666 |
| 3 | 1 | 19.652 | 19/6:12.907 |
| 4 | 1 | 19.186 | 19/6:10.814 |
| 5 | 1 | 19.504 | 19/6:10.766 |
| 6 | 1 | 19.970 | 19/6:12.210 |
| 7 | 1 | 19.876 | 19/6:12.986 |
| 8 | 1 | 19.697 | 19/6:13.143 |
| 9 | 1 | 19.633 | 19/6:13.130 |
| 10 | 1 | 19.654 | 19/6:13.160 |
| 11 | 1 | 19.745 | 19/6:13.341 |
| 12 | 1 | 19.892 | 19/6:13.725 |
| 13 | 1 | 20.296 | 19/6:14.641 |
| 14 | 1 | 20.097 | 19/6:15.155 |
| 15 | 1 | 20.150 | 19/6:15.668 |
| 16 | 1 | 19.988 | 19/6:15.924 |
| 17 | 1 | 19.753 | 19/6:15.888 |
| 18 | 1 | 19.892 | 19/6:16.003 |
| 19 | 1 | 19.484 | 19/6:15.697 |