| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.055 | 20/6:01.100 |
| 2 | 4 | 21.122 | 19/6:12.181 |
| 3 | 3 | 16.881 | 20/6:13.720 |
| 4 | 4 | 19.616 | 20/6:18.370 |
| 5 | 3 | 17.648 | 20/6:13.288 |
| 6 | 3 | 20.410 | 19/6:00.151 |
| 7 | 4 | 20.900 | 19/6:05.430 |
| 8 | 4 | 17.669 | 19/6:01.715 |
| 9 | 4 | 19.977 | 19/6:03.698 |
| 10 | 4 | 18.216 | 19/6:01.939 |
| 11 | 4 | 17.192 | 20/6:17.611 |
| 12 | 3 | 16.953 | 20/6:14.398 |
| 13 | 3 | 19.324 | 20/6:15.328 |
| 14 | 3 | 17.333 | 20/6:13.280 |
| 15 | 3 | 17.513 | 20/6:11.745 |
| 16 | 3 | 18.140 | 20/6:11.186 |
| 17 | 3 | 17.537 | 20/6:09.984 |
| 18 | 3 | 19.638 | 20/6:11.249 |
| 19 | 3 | 19.162 | 20/6:11.880 |
| 20 | 3 | 25.640 | 20/6:18.926 |