| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 9.078 | N/A |
| 2 | 1 | 20.683 | 18/6:00.689 |
| 3 | 1 | 21.175 | 18/6:04.871 |
| 4 | 1 | 21.170 | 18/6:06.236 |
| 5 | 1 | 20.743 | 18/6:05.104 |
| 6 | 1 | 21.404 | 18/6:06.673 |
| 7 | 1 | 20.984 | 18/6:06.528 |
| 8 | 1 | 21.360 | 18/6:07.338 |
| 9 | 1 | 21.928 | 18/6:09.152 |
| 10 | 1 | 21.809 | 18/6:10.339 |
| 11 | 1 | 21.209 | 18/6:10.268 |
| 12 | 1 | 21.354 | 18/6:10.434 |
| 13 | 1 | 20.783 | 18/6:09.764 |
| 14 | 2 | 22.820 | 18/6:11.860 |
| 15 | 2 | 21.224 | 18/6:11.719 |
| 16 | 1 | 21.175 | 18/6:11.541 |
| 17 | 2 | 22.095 | 18/6:12.363 |
| 18 | 2 | 21.797 | 18/6:12.791 |