| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.805 | N/A |
| 2 | 1 | 22.638 | 19/7:08.289 |
| 3 | 1 | 22.401 | 19/7:06.156 |
| 4 | 1 | 23.245 | 19/7:10.509 |
| 5 | 2 | 23.705 | 19/7:14.755 |
| 6 | 2 | 22.848 | 19/7:14.218 |
| 7 | 2 | 21.441 | 19/7:09.639 |
| 8 | 2 | 24.542 | 19/7:14.342 |
| 9 | 2 | 22.809 | 19/7:13.970 |
| 10 | 2 | 21.830 | 19/7:11.723 |
| 11 | 2 | 22.093 | 19/7:10.398 |
| 12 | 2 | 25.777 | 19/7:15.343 |
| 13 | 2 | 26.333 | 19/7:20.298 |
| 14 | 2 | 22.915 | 19/7:19.757 |
| 15 | 2 | 22.996 | 19/7:19.398 |
| 16 | 2 | 27.541 | 18/7:01.000 |
| 17 | 2 | 23.265 | 18/7:00.707 |
| 18 | 2 | 23.092 | 18/7:00.276 |