| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.356 | 18/6:06.408 |
| 2 | 5 | 21.354 | 18/6:15.390 |
| 3 | 5 | 19.946 | 18/6:09.936 |
| 4 | 4 | 19.863 | 18/6:06.836 |
| 5 | 4 | 19.734 | 18/6:04.511 |
| 6 | 4 | 19.414 | 18/6:02.001 |
| 7 | 5 | 22.429 | 18/6:07.961 |
| 8 | 4 | 19.337 | 18/6:05.474 |
| 9 | 4 | 19.930 | 18/6:04.726 |
| 10 | 4 | 20.276 | 18/6:04.750 |
| 11 | 4 | 19.525 | 18/6:03.541 |
| 12 | 4 | 25.181 | 18/6:11.018 |
| 13 | 4 | 21.193 | 18/6:11.822 |
| 14 | 4 | 20.093 | 18/6:11.097 |
| 15 | 5 | 23.627 | 18/6:14.710 |
| 16 | 5 | 19.742 | 18/6:13.500 |
| 17 | 5 | 19.435 | 18/6:12.108 |
| 18 | 4 | 20.997 | 18/6:12.432 |