| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.685 | 18/6:12.330 |
| 2 | 1 | 19.120 | 19/6:18.147 |
| 3 | 1 | 19.298 | 19/6:14.319 |
| 4 | 2 | 22.059 | 18/6:05.229 |
| 5 | 1 | 19.552 | 18/6:02.570 |
| 6 | 1 | 19.635 | 18/6:01.047 |
| 7 | 3 | 20.406 | 18/6:01.941 |
| 8 | 3 | 20.467 | 18/6:02.749 |
| 9 | 3 | 19.857 | 18/6:02.158 |
| 10 | 3 | 19.813 | 18/6:01.606 |
| 11 | 3 | 21.240 | 18/6:03.489 |
| 12 | 2 | 20.095 | 18/6:03.340 |
| 13 | 2 | 20.389 | 18/6:03.622 |
| 14 | 2 | 22.257 | 18/6:06.265 |
| 15 | 2 | 20.220 | 18/6:06.112 |
| 16 | 3 | 20.271 | 18/6:06.034 |
| 17 | 2 | 18.697 | 18/6:04.300 |
| 18 | 3 | 21.784 | 18/6:05.845 |