| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.149 | 19/6:03.831 |
| 2 | 1 | 18.567 | 20/6:17.160 |
| 3 | 1 | 18.387 | 20/6:14.020 |
| 4 | 2 | 19.909 | 19/6:01.057 |
| 5 | 2 | 18.256 | 20/6:17.072 |
| 6 | 2 | 19.683 | 19/6:00.845 |
| 7 | 2 | 18.682 | 19/6:00.004 |
| 8 | 1 | 18.740 | 20/6:18.433 |
| 9 | 1 | 19.276 | 19/6:00.259 |
| 10 | 1 | 19.170 | 19/6:00.656 |
| 11 | 1 | 19.090 | 19/6:00.843 |
| 12 | 1 | 18.634 | 19/6:00.276 |
| 13 | 1 | 18.807 | 19/6:00.050 |
| 14 | 1 | 19.041 | 19/6:00.174 |
| 15 | 1 | 18.637 | 20/6:18.704 |
| 16 | 1 | 19.140 | 19/6:00.012 |
| 17 | 1 | 18.627 | 20/6:18.582 |
| 18 | 1 | 18.454 | 20/6:18.054 |
| 19 | 1 | 19.129 | 20/6:18.293 |
| 20 | 1 | 19.257 | 20/6:18.635 |