| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 23.571 | 20/7:51.420 |
| 2 | 1 | 20.254 | 20/7:18.250 |
| 3 | 1 | 19.572 | 20/7:02.647 |
| 4 | 1 | 19.900 | 20/6:56.485 |
| 5 | 1 | 20.312 | 20/6:54.436 |
| 6 | 1 | 20.118 | 20/6:52.423 |
| 7 | 1 | 20.843 | 20/6:53.057 |
| 8 | 1 | 29.110 | 20/7:14.200 |
| 9 | 2 | 28.498 | 20/7:29.284 |
| 10 | 3 | 25.709 | 20/7:35.774 |
| 11 | 3 | 25.567 | 20/7:40.825 |
| 12 | 4 | 25.471 | 20/7:44.875 |
| 13 | 4 | 25.453 | 20/7:48.274 |
| 14 | 4 | 26.629 | 20/7:52.867 |
| 15 | 4 | 25.837 | 20/7:55.792 |
| 16 | 4 | 25.289 | 20/7:57.666 |
| 17 | 4 | 25.151 | 20/7:59.158 |
| 18 | 4 | 25.628 | 18/7:12.912 |