| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.863 | 20/6:17.260 |
| 2 | 3 | 19.625 | 19/6:05.636 |
| 3 | 4 | 18.915 | 19/6:03.552 |
| 4 | 3 | 19.655 | 19/6:06.025 |
| 5 | 2 | 19.488 | 19/6:06.875 |
| 6 | 3 | 18.953 | 19/6:05.747 |
| 7 | 3 | 19.005 | 19/6:05.082 |
| 8 | 2 | 18.553 | 19/6:03.510 |
| 9 | 2 | 20.237 | 19/6:05.843 |
| 10 | 2 | 18.797 | 19/6:04.973 |
| 11 | 2 | 19.459 | 19/6:05.405 |
| 12 | 2 | 19.394 | 19/6:05.661 |
| 13 | 2 | 18.841 | 19/6:05.070 |
| 14 | 2 | 19.023 | 19/6:04.811 |
| 15 | 3 | 23.221 | 19/6:09.903 |
| 16 | 4 | 19.011 | 19/6:09.360 |
| 17 | 4 | 19.275 | 19/6:09.176 |
| 18 | 4 | 19.397 | 19/6:09.140 |
| 19 | 4 | 18.812 | 19/6:08.524 |