| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.675 | 19/6:13.825 |
| 2 | 1 | 19.998 | 19/6:16.894 |
| 3 | 1 | 20.715 | 18/6:02.328 |
| 4 | 1 | 20.641 | 18/6:04.630 |
| 5 | 1 | 22.704 | 18/6:13.439 |
| 6 | 1 | 20.497 | 18/6:12.690 |
| 7 | 1 | 20.190 | 18/6:11.366 |
| 8 | 1 | 19.722 | 18/6:09.320 |
| 9 | 1 | 21.351 | 18/6:10.986 |
| 10 | 1 | 20.251 | 18/6:10.339 |
| 11 | 1 | 20.654 | 18/6:10.469 |
| 12 | 1 | 22.265 | 18/6:12.995 |
| 13 | 1 | 20.592 | 18/6:12.815 |
| 14 | 1 | 22.840 | 18/6:15.551 |
| 15 | 1 | 21.394 | 18/6:16.187 |
| 16 | 1 | 22.499 | 18/6:17.986 |
| 17 | 2 | 23.118 | 18/6:20.230 |
| 18 | 2 | 21.465 | 18/6:20.571 |