| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 22.103 | N/A |
| 2 | 1 | 20.141 | 18/6:04.005 |
| 3 | 1 | 20.251 | 18/6:05.435 |
| 4 | 2 | 22.163 | 18/6:16.581 |
| 5 | 2 | 20.567 | 18/6:15.371 |
| 6 | 2 | 21.627 | 18/6:18.249 |
| 7 | 2 | 21.310 | 18/6:19.270 |
| 8 | 2 | 19.987 | 18/6:16.786 |
| 9 | 2 | 19.968 | 18/6:14.882 |
| 10 | 2 | 20.097 | 18/6:13.646 |
| 11 | 2 | 19.670 | 18/6:11.930 |
| 12 | 2 | 19.971 | 18/6:10.992 |
| 13 | 2 | 19.796 | 18/6:09.962 |
| 14 | 2 | 20.272 | 18/6:09.713 |
| 15 | 2 | 20.409 | 18/6:09.666 |
| 16 | 2 | 19.957 | 18/6:09.113 |
| 17 | 2 | 20.041 | 18/6:08.719 |
| 18 | 2 | 23.274 | 18/6:11.604 |