| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.686 | 18/6:12.348 |
| 2 | 1 | 19.919 | 18/6:05.445 |
| 3 | 1 | 19.740 | 18/6:02.070 |
| 4 | 2 | 20.248 | 18/6:02.668 |
| 5 | 2 | 20.413 | 18/6:03.622 |
| 6 | 2 | 20.157 | 18/6:03.489 |
| 7 | 2 | 20.175 | 18/6:03.441 |
| 8 | 2 | 20.163 | 18/6:03.377 |
| 9 | 2 | 19.873 | 18/6:02.748 |
| 10 | 1 | 20.435 | 18/6:03.256 |
| 11 | 2 | 20.564 | 18/6:03.883 |
| 12 | 2 | 21.997 | 18/6:06.555 |
| 13 | 2 | 20.779 | 18/6:07.129 |
| 14 | 2 | 20.334 | 18/6:07.050 |
| 15 | 2 | 20.418 | 18/6:07.081 |
| 16 | 2 | 20.709 | 18/6:07.436 |
| 17 | 2 | 24.873 | 18/6:12.158 |
| 18 | 2 | 20.931 | 18/6:12.414 |